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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

75,239 questions in 5,342 reviews

current versions
No studies 15,213 · 20.2%Ungraded 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Intervention NR
Small patient number · patients with Rheumatoid Arthritis
Dynamic exercise programs (aerobic capacity and/or muscle strength training) in patients with rheumatoid… (2009) · Cochrane
no estimate extracted1 participantsUngraded
Intervention NR
Functional ability AIMS . Scale from: 0 to 10. · patients with Rheumatoid Arthritis
Dynamic exercise programs (aerobic capacity and/or muscle strength training) in patients with rheumatoid… (2009) · Cochrane
no estimate extracted1 study · 56 participantsLow
Intervention NR
Muscle strength Isometric extension · patients with Rheumatoid Arthritis
Dynamic exercise programs (aerobic capacity and/or muscle strength training) in patients with rheumatoid… (2009) · Cochrane
no estimate extracted1 study · 10 participantsLow
Intervention NR
Self‐reported pain AIMS. Scale from: 0 to 10. · patients with Rheumatoid Arthritis
Dynamic exercise programs (aerobic capacity and/or muscle strength training) in patients with rheumatoid… (2009) · Cochrane
no estimate extracted1 study · 56 participantsModerate
Intervention NR
Visual loss of 2+ lines at 1 year · patients with choroidal neovascularisation secondary to age‐related macular degeneration
Submacular surgery for choroidal neovascularisation secondary to age‐related macular degeneration (2009) · Cochrane
RR 0.96 [0.84, 1.09]2 studies · 715 participantsHigh
Intervention NR
Visual gain of 2+ lines at 1 year · patients with choroidal neovascularisation secondary to age‐related macular degeneration
Submacular surgery for choroidal neovascularisation secondary to age‐related macular degeneration (2009) · Cochrane
RR 1.06 [0.75, 1.5]2 studies · 715 participantsLow
Intervention NR
Contrast threshold loss ‐0.15 log units or more at 1 year · patients with choroidal neovascularisation secondary to age‐related macular degeneration
Submacular surgery for choroidal neovascularisation secondary to age‐related macular degeneration (2009) · Cochrane
RR 0.8 [0.63, 1.02]2 studies · 689 participantsModerate
Intervention NR
Reading speed 40 word/minute or more after 1 year · patients with choroidal neovascularisation secondary to age‐related macular degeneration
Submacular surgery for choroidal neovascularisation secondary to age‐related macular degeneration (2009) · Cochrane
RR 0.88 [0.64, 1.2]2 studies · 692 participantsHigh
Intervention NR
Loss of 6+ points of overall NEI‐VFQ score at 1 year · patients with choroidal neovascularisation secondary to age‐related macular degeneration
Submacular surgery for choroidal neovascularisation secondary to age‐related macular degeneration (2009) · Cochrane
RR 1.35 [1.09, 1.68]2 studies · 689 participantsLow
Intervention NR
Adverse events: cataract surgery at 1 year · patients with choroidal neovascularisation secondary to age‐related macular degeneration
Submacular surgery for choroidal neovascularisation secondary to age‐related macular degeneration (2009) · Cochrane
RR 8.69 [4.06, 18.61]2 studies · 632 participantsHigh
Intervention NR
Adverse events: retinal detachment during · patients with choroidal neovascularisation secondary to age‐related macular degeneration
Submacular surgery for choroidal neovascularisation secondary to age‐related macular degeneration (2009) · Cochrane
RR 6.13 [2.81, 13.38]2 studies · 790 participantsHigh
Abatacept (2 and 10mg/kg) + DMARDs/biologic vs placebo + DMARDs/biologic
ACR 50% improvement · patients with rheumatoid arthritis
Abatacept for rheumatoid arthritis (2009) · Cochrane
RR 2.21 [1.73, 2.82]3 studies · 993 participantsModerate
Abatacept (2 and 10mg/kg) + DMARDs/biologic vs placebo + DMARDs/biologic
Pain measured at end of study on a 100 mm visual analog scale. Scale from: 0 (better) to 100 (worse). · patients with rheumatoid arthritis
Abatacept for rheumatoid arthritis (2009) · Cochrane
no estimate extracted1 study · 1425 participantsModerate
Abatacept (2 and 10mg/kg) + DMARDs/biologic vs placebo + DMARDs/biologic
Improvement in physical function (HAQ: greater than 0.3 increase from baseline, 0‐3 scale) · patients with rheumatoid arthritis
Abatacept for rheumatoid arthritis (2009) · Cochrane
RR 1.62 [1.35, 1.95]1 study · 638 participantsModerate
Abatacept (2 and 10mg/kg) + DMARDs/biologic vs placebo + DMARDs/biologic
Achievement of low disease activity state (DAS 28 less than 3.2, scale 0‐10) · patients with rheumatoid arthritis
Abatacept for rheumatoid arthritis (2009) · Cochrane
RR 4.33 [2.84, 6.59]1 study · 638 participantsModerate
Abatacept (2 and 10mg/kg) + DMARDs/biologic vs placebo + DMARDs/biologic
Total serious adverse events · patients with rheumatoid arthritis
Abatacept for rheumatoid arthritis (2009) · Cochrane
RR 1.05 [0.87, 1.28]6 studies · 3151 participantsModerate
Abatacept (2 and 10mg/kg) + DMARDs/biologic vs placebo + DMARDs/biologic
Change in radiographic progression measured by Genant‐modifed Sharp erosion score (increase in score means more joint damage). Scale from: 0 to 145. · patients with rheumatoid arthritis
Abatacept for rheumatoid arthritis (2009) · Cochrane
no estimate extracted1 study · 586 participantsModerate
Abatacept (2 and 10mg/kg) + DMARDs/biologic vs placebo + DMARDs/biologic
Long‐term serious adverse events · patients with rheumatoid arthritis
Abatacept for rheumatoid arthritis (2009) · Cochrane
no estimate extracted2 studies · 950 participantsLow
Intervention NR
Pain Various validated pain scales · Patients with osteoarthritis of the knee or hip
S‐Adenosylmethionine for osteoarthritis of the knee or hip (2009) · Cochrane
no estimate extracted2 studies · 533 participantsModerate
Intervention NR
Function Various validated function scales · Patients with osteoarthritis of the knee or hip
S‐Adenosylmethionine for osteoarthritis of the knee or hip (2009) · Cochrane
SMD 0.023 studies · 542 participantsLow
Intervention NR
Number of patients experiencing any adverse event · Patients with osteoarthritis of the knee or hip
S‐Adenosylmethionine for osteoarthritis of the knee or hip (2009) · Cochrane
RR 1.27 [0.94, 1.71]4 studies · 632 participantsModerate
Intervention NR
Number of patients who withdrew because of adverse events · Patients with osteoarthritis of the knee or hip
S‐Adenosylmethionine for osteoarthritis of the knee or hip (2009) · Cochrane
RR 0.94 [0.48, 1.86]4 studies · 656 participantsModerate
Intervention NR
Number of patients experiencing any serious adverse event Median · Patients with osteoarthritis of the knee or hip
S‐Adenosylmethionine for osteoarthritis of the knee or hip (2009) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
ULTRA LOW DOSE (<2 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: Any reason ‐ when compared with standard‐low dose (greater than or equal to 4‐<6 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 1.3 [0.93, 1.83]2 studies · 461 participantsModerate
LOW DOSE (greater than or equal to 2‐<4 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: any reason ‐ when compared with high dose ( greater than or equal to 10 mg) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 2.33 [1.4, 3.86]1 study · 70 participantsModerate
LOW DOSE (greater than or equal to 2‐<4 mg/day) vs ANY DOSE ‐ short term
Global state: No clinically important improvement ‐ global evaluation ‐ when compared with standard‐higher dose (greater than or equal to 6‐<10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 1.32 [1.06, 1.64]2 studies · 172 participantsModerate
LOW DOSE (greater than or equal to 2‐<4 mg/day) vs ANY DOSE ‐ short term
Global state: No clinically important improvement ‐ global evaluation ‐ when compared with high dose (greater than or equal to 10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 1.07 [0.92, 1.25]2 studies · 257 participantsModerate
LOW DOSE (greater than or equal to 2‐<4 mg/day) vs ANY DOSE ‐ short term
Adverse effects: 5a. Movement disorders ‐ specific symptoms ‐ EPS: unspecified ‐ versus standard‐lower dose (greater than or equal to 4‐<6 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.44 [0.32, 0.6]1 study · 124 participantsModerate
LOW DOSE (greater than or equal to 2‐<4 mg/day) vs ANY DOSE ‐ short term
Adverse effects: 5a. Movement disorders ‐ specific symptoms ‐ EPS: unspecified ‐ versus standard‐higher dose (greater than or equal to 6‐<10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.81 [0.37, 1.75]2 studies · 173 participantsModerate
LOW DOSE (greater than or equal to 2‐<4 mg/day) vs ANY DOSE ‐ short term
Adverse effects: 5a. Movement disorders ‐ specific symptoms ‐ EPS: unspecified ‐ versus high dose ( greater than or equal to 10 mg) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.45 [0.24, 0.84]2 studies · 262 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: Any reasons ‐ when compared with ultra low dose (<2 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.77 [0.55, 1.08]2 studies · 461 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: Any reasons ‐ when compared with standard‐higher dose (greater than or equal to 6‐<10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.78 [0.58, 1.06]2 studies · 496 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: Any reasons ‐ When compared with high dose ( greater than or equal to 10 mg) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.74 [0.54, 1]1 study · 677 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Global state: No clinically important improvement ‐ global evaluation ‐ when compared with standard‐higher dose (greater than or equal to 6‐<10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.74 [0.34, 1.58]1 study · 39 participantsModerate
ULTRA LOW DOSE (<2 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: Any reason ‐ when compared with standard‐higher dose (greater than or equal to 6‐<10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 1.04 [0.76, 1.43]1 study · 459 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Mental state: No clinically important improvement ‐ PANSS ‐ when compared with ultra low dose (<2 mg) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.81 [0.64, 1.01]1 study · 456 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Mental state: No clinically important improvement ‐ PANSS ‐ when compared with low dose (greater than or equal to 2‐<4 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.94 [0.44, 2.03]2 studies · 206 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Mental state: No clinically important improvement ‐ PANSS ‐ when compared with standard‐higher dose (greater than or equal to 6‐<10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 1.06 [0.83, 1.36]1 study · 457 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Mental state: No clinically important improvement ‐ PANSS ‐ when compared with high dose ( greater than or equal to 10 mg) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.9 [0.74, 1.11]1 study · 677 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Adverse effects: 6. Movement disorders ‐ specific symptoms ‐ dystonia ‐ versus low dose (greater than or equal to 2‐<4 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 7.43 [1.07, 51.54]1 study · 27 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Adverse effects: 6. Movement disorders ‐ specific symptoms ‐ EPS: unspecified ‐ versus low dose (greater than or equal to 2‐<4 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 2.28 [1.67, 3.11]1 study · 124 participantsModerate
STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) vs ANY DOSE ‐ short term
Adverse effects: 6. Movement disorders ‐ specific symptoms ‐ tremor ‐ versus low dose (greater than or equal to 2‐<4 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 4.18 [1.1, 15.85]1 study · 27 participantsModerate
STANDARD‐HIGHER DOSE (greater than or equal to 6‐<10 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: insufficient response ‐ When compared with ultra low dose (<2 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.6 [0.37, 0.96]2 studies · 459 participantsModerate
STANDARD‐HIGHER DOSE (greater than or equal to 6‐<10 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: insufficient response ‐ When compared with low dose (greater than or equal to 2‐<4 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.29 [0.17, 0.52]2 studies · 173 participantsModerate
STANDARD‐HIGHER DOSE (greater than or equal to 6‐<10 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: insufficient response ‐ When compared with standard‐lower dose (greater than or equal to 4‐<6 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 1.38 [0.81, 2.34]2 studies · 496 participantsModerate
ULTRA LOW DOSE (<2 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: Any reason ‐ when compared with high dose (greater than or equal to 10 mg) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.94 [0.72, 1.23]1 study · 679 participantsModerate
STANDARD‐HIGHER DOSE (greater than or equal to 6‐<10 mg/day) vs ANY DOSE ‐ short term
Leaving the study early: insufficient response ‐ When compared with high dose (greater than or equal to 10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.75 [0.53, 1.08]2 studies · 941 participantsModerate
STANDARD‐HIGHER DOSE (greater than or equal to 6‐<10 mg/day) vs ANY DOSE ‐ short term
Global state: 1. No clinically important improvement ‐ CGI‐I ‐ when compared with low dose (greater than or equal to 2‐<4 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.54 [0.38, 0.77]2 studies · 172 participantsModerate
STANDARD‐HIGHER DOSE (greater than or equal to 6‐<10 mg/day) vs ANY DOSE ‐ short term
Global state: 1. No clinically important improvement ‐ CGI‐I ‐ when compared with standard‐lower dose (greater than or equal to 4‐<6 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 1.26 [0.46, 3.46]1 study · 39 participantsModerate
STANDARD‐HIGHER DOSE (greater than or equal to 6‐<10 mg/day) vs ANY DOSE ‐ short term
Global state: 1. No clinically important improvement ‐ CGI‐I ‐ when compared with high dose (greater than or equal to 10 mg/day) · patients with schizophrenia
Risperidone dose for schizophrenia (2009) · Cochrane
RR 0.85 [0.59, 1.22]2 studies · 255 participantsModerate