Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,191 questions · 2,354 findings · 362 reviews

No studies found 323 · 13.7%GRADE not reported 382 · 16.2%Very low 555 · 23.6%Low 597 · 25.4%Moderate 345 · 14.7%High 152 · 6.5%

STANDARD LOWER DOSE (> 3 to 7.5 mg/day) vs OTHER DOSES

Global state: 1. No clinically significant response in global state (2‐10 weeks) vs. high dose (> 15‐35 mg/day) · people with the acute phase of schizophrenia

It is very uncertain whether STANDARD LOWER DOSE (> 3 to 7.5 mg/day) changes global state: 1. No clinically significant response in global state… compared with OTHER DOSES (very low certainty).

1 finding from 1 review

STANDARD LOWER DOSE (> 3 to 7.5 mg/day) vs OTHER DOSES

Adverse effects: 1. Clinically significant extrapyramidal side effects (2‐10 weeks) vs. standard higher dose (> 7.5‐15 mg/day) · people with the acute phase of schizophrenia

It is very uncertain whether STANDARD LOWER DOSE (> 3 to 7.5 mg/day) changes adverse effects: 1. Clinically significant extrapyramidal side… compared with OTHER DOSES (very low certainty).

1 finding from 1 review

STANDARD LOWER DOSE (> 3 to 7.5 mg/day) vs OTHER DOSES

Adverse effects: 1. Clinically significant extrapyramidal side effects (2‐10 weeks) vs. high dose (> 15‐35 mg/day) · people with the acute phase of schizophrenia

It is very uncertain whether STANDARD LOWER DOSE (> 3 to 7.5 mg/day) changes adverse effects: 1. Clinically significant extrapyramidal side… compared with OTHER DOSES (very low certainty).

1 finding from 1 review

Lower family socioeconomic status / income vs Higher socioeconomic position

Dental caries · Healthy children and adolescents in the United Arab Emirates

Evidence on socioeconomic status/income and caries was inconsistent: some studies linked lower income to higher caries while others found no association (narrative synthesis; not GRADE-rated).

1 finding from 1 review

Lower parental (maternal/paternal) education vs Higher parental education

Dental caries · Healthy children and adolescents in the United Arab Emirates

The association between parental education and caries was inconsistent; father's (but not consistently mother's) education was inversely associated with caries in some studies (narrative synthesis; not GRADE-rated).

1 finding from 1 review

Fluoride toothpaste 440 ppm (lower concentration) vs 1450 to 1500 ppm F toothpaste

Fluorosis (percentage prevalence in permanent teeth) · Children exposed to topical fluoride when under 6 years old; fluorosis assessed in permanent teeth at 6 to 18 years

Fluoride toothpaste 440 ppm (lower concentration) probably leads to lower fluorosis (percentage prevalence in permanent teeth) compared with fluoride toothpaste 1450 ppm (higher concentration) (moderate certainty).

1 finding from 1 review

Fluoride toothpaste 550 ppm (lower concentration) vs Fluoride toothpaste 1000 ppm or more (higher concentration)

Fluorosis (percentage prevalence in permanent teeth) · Children exposed to topical fluoride when under 6 years old; fluorosis assessed in permanent teeth at 6 to 18 years

Fluoride toothpaste 550 ppm (lower concentration) probably leads to lower fluorosis (percentage prevalence in permanent teeth) compared with fluoride toothpaste 1000 ppm (higher concentration) (moderate certainty).

1 finding from 1 review

Intestinal trefoil factor (ITF), lower dose (336 mg) vs Intestinal trefoil factor (ITF), higher dose (2688 mg)

Oral mucositis (any severity) · Adults receiving chemotherapy alone for colorectal cancer
1 finding from 1 review

Populations with a lower proportion of university-educated people (<33.78% with university level) vs Not applicable

Dental caries · Adult participants in 25 meta-regression studies

The Model 1 adjusted meta-regression coefficient for lower university education was -4.132903.

2 findings from 1 review

Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) vs conventional dose RT

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) showed no clear difference in locoregional control compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.

1 finding from 1 review

Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) vs conventional dose RT

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) showed no clear difference in total mortality compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.

1 finding from 1 review

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

STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) showed no clear difference in leaving the study early: Any reasons ‐ when compared with ultra low… compared with ANY DOSE ‐ short term (moderate certainty).

1 finding from 1 review

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

STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) showed no clear difference in leaving the study early: Any reasons ‐ when compared with… compared with ANY DOSE ‐ short term (moderate certainty).

1 finding from 1 review

STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 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

STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) showed no clear difference in leaving the study early: Any reasons ‐ When compared with high dose… compared with ANY DOSE ‐ short term (moderate certainty).

1 finding from 1 review

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

STANDARD‐LOWER DOSE (greater than or equal to 4‐<6 mg/day) showed no clear difference in global state: No clinically important improvement ‐ global… compared with ANY DOSE ‐ short term (moderate certainty).

1 finding from 1 review