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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)

1,645 questions in 107 reviews · Wounds

current versions
No studies 651 · 39.6%Ungraded 84 · 5.1%Very low 554 · 33.7%Low 283 · 17.2%Moderate 64 · 3.9%High 9 · 0.5%

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
Primary closure vs no closure
Cosmesis using validated cosmetic outcome score at 4 weeks Scale: Vancouver Scar Scale; lower score = better cosmesis · patients with traumatic wounds due to dog bite
​Primary closure versus delayed or no closure for traumatic wounds due to mammalian bite (2019) · Cochrane
no estimate extracted1 study · 182 participantsModerate
Primary closure vs delayed closure
Time to complete wound healing · patients with traumatic wounds due to dog bite
​Primary closure versus delayed or no closure for traumatic wounds due to mammalian bite (2019) · Cochrane
no estimate extractedNRNo studies
Primary closure vs delayed closure
Proportion of wounds which were infection free on day 7 · patients with traumatic wounds due to dog bite
​Primary closure versus delayed or no closure for traumatic wounds due to mammalian bite (2019) · Cochrane
RR 0.98 [0.9, 1.07]1 study · 120 participantsVery low
Primary closure vs delayed closure
Proportion of wounds which were infection‐free · patients with traumatic wounds due to dog bite
​Primary closure versus delayed or no closure for traumatic wounds due to mammalian bite (2019) · Cochrane
no estimate extractedNRNo studies
Primary closure vs delayed closure
Cosmesis using validated cosmetic outcome score at 4 weeks · patients with traumatic wounds due to dog bite
​Primary closure versus delayed or no closure for traumatic wounds due to mammalian bite (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) + compression vs compression alone
Proportion with ulcers healed at 24 months · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
RR 1.17 [1.03, 1.33]1 study · 196 participantsLow
Subfascial endoscopic perforator vein surgery (SEPS) vs the Linton procedure
Quality of life · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) vs the Linton procedure
Adverse events2 · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
RR 0.04 [0, 0.6]1 study · 39 participantsVery low
Subfascial endoscopic perforator vein surgery (SEPS) vs the Linton procedure
Pain · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery
Proportion of ulcers healed at 12 months · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
RR 0.96 [0.64, 1.43]1 study · 22 participantsVery low
Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery
Time to complete healing · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery
Ulcer recurrence at 12 months · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
RR 1.03 [0.15, 6.91]1 study · 75 participantsVery low
Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery
Quality of life · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery
Adverse events · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
RR 2.05 [0.86, 4.9]1 study · 75 participantsVery low
Subfascial endoscopic perforator vein surgery (SEPS) + saphenous surgery vs saphenous surgery
Pain · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) + compression vs compression alone
Time to complete healing · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) + compression vs compression alone
Ulcer recurrence at 24 months · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
RR 0.85 [0.26, 2.76]2 studies · 208 participantsVery low
Subfascial endoscopic perforator vein surgery (SEPS) + compression vs compression alone
Quality of life · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) + compression vs compression alone
Adverse events · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) + compression vs compression alone
Pain · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) vs the Linton procedure
Proportion of ulcers healed at 24 months · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
RR 0.95 [0.83, 1.09]1 study · 39 participantsVery low
Subfascial endoscopic perforator vein surgery (SEPS) vs the Linton procedure
Time to complete healing · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
no estimate extractedNRNo studies
Subfascial endoscopic perforator vein surgery (SEPS) vs the Linton procedure
Ulcer recurrence at 60 months · participants with venous leg ulcers
Subfascial endoscopic perforator surgery (SEPS) for treating venous leg ulcers (2019) · Cochrane
RR 0.47 [0.1, 2.3]1 study · 39 participantsVery low
Bathing of the critically ill with chlorhexidine vs bathing with soap and water or non‐antimicrobial washcloths
Hospital‐acquired infections Data collected during ICU stay · people who are critically ill
Chlorhexidine bathing of the critically ill for the prevention of hospital‐acquired infection (2019) · Cochrane
no estimate extracted8 studies · 21924 participantsVery low
Bathing of the critically ill with chlorhexidine vs bathing with soap and water or non‐antimicrobial washcloths
Mortality Data collected (where reported) in hospital, in the ICU, and at 48 hours · people who are critically ill
Chlorhexidine bathing of the critically ill for the prevention of hospital‐acquired infection (2019) · Cochrane
OR 0.87 [0.76, 0.99]6 studies · 15798 participantsVery low
Bathing of the critically ill with chlorhexidine vs bathing with soap and water or non‐antimicrobial washcloths
Length of stay in the ICU · people who are critically ill
Chlorhexidine bathing of the critically ill for the prevention of hospital‐acquired infection (2019) · Cochrane
no estimate extracted6 studies · 18570 participantsVery low
Bathing of the critically ill with chlorhexidine vs bathing with soap and water or non‐antimicrobial washcloths
Adverse effects: skin reactions. Reported as attributable to chlorhexidine or soap and water. Data collected during ICU stay · people who are critically ill
Chlorhexidine bathing of the critically ill for the prevention of hospital‐acquired infection (2019) · Cochrane
no estimate extracted5 studies · 6365 participantsVery low
Rigid dressings vs soft dressings
Wound healing · people who had undergone transtibial amputations
Rigid dressings versus soft dressings for transtibial amputations (2019) · Cochrane
no estimate extracted1 study · 56 participantsVery low
Rigid dressings vs soft dressings
Adverse events · people who had undergone transtibial amputations
Rigid dressings versus soft dressings for transtibial amputations (2019) · Cochrane
RR 0.65 [0.32, 1.32]6 studies · 336 participantsVery low
Rigid dressings vs soft dressings
Physical function ‐ Time from amputation to walking (days) · people who had undergone transtibial amputations
Rigid dressings versus soft dressings for transtibial amputations (2019) · Cochrane
no estimate extracted1 study · 56 participantsVery low
Rigid dressings vs soft dressings
Length of hospital stay (days) · people who had undergone transtibial amputations
Rigid dressings versus soft dressings for transtibial amputations (2019) · Cochrane
no estimate extracted1 study · 56 participantsVery low
Rigid dressings vs soft dressings
Patient comfort · people who had undergone transtibial amputations
Rigid dressings versus soft dressings for transtibial amputations (2019) · Cochrane
no estimate extractedNRNo studies
Rigid dressings vs soft dressings
Quality of life · people who had undergone transtibial amputations
Rigid dressings versus soft dressings for transtibial amputations (2019) · Cochrane
no estimate extractedNRNo studies
Rigid dressings vs soft dressings
Cost · people who had undergone transtibial amputations
Rigid dressings versus soft dressings for transtibial amputations (2019) · Cochrane
no estimate extractedNRNo studies
Fatty acid vs other topical intervention or standard care
Pressure ulcer incidence: fatty acid vs olive oil · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 1.28 [0.76, 2.17]2 studies · 1060 participantsLow
Active topical agent vs placebo/control
Stage 3 pressure ulcer incidence: Conotrane vs placebo · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 1.25 [0.34, 4.55]1 study · 258 participantsVery low
Active topical agent vs placebo/control
Stage 4 pressure ulcer incidence: Conotrane vs placebo · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.33 [0.01, 8.11]1 study · 258 participantsVery low
Active topical agent vs placebo/control
Adverse events: active lotion vs placebo · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
OR 6.14 [0.29, 129.89]1 study · 167 participantsVery low
Silicone dressing vs no dressing
Pressure ulcer incidence · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.25 [0.16, 0.41]6 studies · 1247 participantsLow
Silicone dressing vs no dressing
Stage 1 pressure ulcer incidence · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.27 [0.08, 0.9]3 studies · 749 participantsVery low
Silicone dressing vs no dressing
Stage 2 pressure ulcer incidence · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.4 [0.17, 0.94]4 studies · 1090 participantsVery low
Silicone dressing vs no dressing
Stage 4 pressure ulcer incidence · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.2 [0.01, 4.13]1 study · 322 participantsVery low
Silicone dressing vs no dressing
Unstageable pressure ulcer incidence · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.2 [0.01, 4.09]1 study · 366 participantsVery low
Silicone dressing vs no dressing
Deep tissue injury pressure ulcer incidence · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.99 [0.06, 15.69]1 study · 366 participantsVery low
Silicone dressing vs no dressing
Adverse events · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
no estimate extractedNRNo studies
Fatty acid vs other topical intervention or standard care
Pressure ulcer incidence: fatty acid vs control compound · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.42 [0.22, 0.8]1 study · 331 participantsLow
Other dressing vs control
Pressure ulcer incidence: polyurethane film vs hydrocolloid dressing · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.58 [0.24, 1.41]1 study · 160 participantsVery low
Other dressing vs control
Pressure ulcer incidence: Kang’ huier vs routine care · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.42 [0.08, 2.05]1 study · 100 participantsVery low
Other dressing vs control
Pressure ulcer incidence: PPD vs no dressing · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 0.18 [0.04, 0.76]1 study · 74 participantsVery low
Other dressing vs control
Pressure ulcer incidence: thin polyurethane foam vs no dressing · individuals at risk of pressure ulcer development
Dressings and topical agents for preventing pressure ulcers (2018) · Cochrane
RR 1.31 [0.83, 2.07]1 study · 74 participantsLow