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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.
1,645 questions in 107 reviews · Wounds
current versionsNo 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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Foam surfaces vs reactive foam and gel surfaces Support surface associated patient comfort · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Foam surfaces vs reactive foam and gel surfaces All reported adverse events · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Foam surfaces vs alternating pressure (active) air surfaces Support surface associated patient comfort · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 1 study · 76 participants | Very low |
Foam surfaces vs reactive foam and gel surfaces Health‐related quality of life · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Foam surfaces vs reactive foam and gel surfaces Cost‐effectiveness · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Foam surfaces vs alternating pressure (active) air surfaces All reported adverse events · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 3 studies · 2181 participants | Very low |
Foam surfaces vs alternating pressure (active) air surfaces Health‐related quality of life (90‐day EQ‐5D‐5L, expressed as utility values ranging from −1 to 1 with 1 representing perfect health, 0 representing death, and −1 representing worse than death) · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 1 study · 267 participants | Low |
Foam surfaces vs alternating pressure (active) air surfaces Health‐related quality of life (90‐day PU‐QoL‐UI, expressed as utility values ranging from −1 to 1 with 1 representing perfect health, 0 representing death, and −1 representing worse than death) · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 1 study · 233 participants | Low |
Foam surfaces vs alternating pressure (active) air surfaces Cost‐effectiveness · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 1 study · 1 participants | Moderate |
Foam surfaces vs reactive air surfaces Proportion of participants developing a new pressure ulcer · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | RR 2.4 [1.04, 5.54] | 4 studies · 229 participants | Low |
Foam surfaces vs reactive air surfaces Time to pressure ulcer development · pressure ulcer prevention Foam surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs alternating pressure (active) air surfaces Proportion of participants developing a new pressure ulcer · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | RR 0.62 [0.35, 1.11] | 6 studies · 1648 participants | Very low |
Reactive air surfaces vs foam surfaces All reported adverse events · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 1 study · 72 participants | Very low |
Reactive air surfaces vs foam surfaces Health‐related quality of life · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs foam surfaces Cost‐effectiveness · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive water surfaces Proportion of participants developing a new pressure ulcer · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | RR 0.43 [0.04, 4.29] | 1 study · 37 participants | Very low |
Reactive air surfaces vs reactive water surfaces Time to pressure ulcer incidence · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive water surfaces Support surface associated patient comfort · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive water surfaces All reported adverse events · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive water surfaces Health‐related quality of life · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive water surfaces Cost‐effectiveness · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive gel surfaces Proportion of participants developing a new pressure ulcer · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | RR 1.25 [0.56, 2.77] | 1 study · 66 participants | Very low |
Reactive air surfaces vs alternating pressure (active) air surfaces Time to pressure ulcer incidence · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | HR 0.44 [0.21, 0.96] | 1 study · 308 participants | Low |
Reactive air surfaces vs reactive gel surfaces Time to pressure ulcer incidence · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive gel surfaces Support surface associated patient comfort · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive gel surfaces All reported adverse events · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive gel surfaces Health‐related quality of life · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs reactive gel surfaces Cost‐effectiveness · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs alternating pressure (active) air surfaces Support surface associated patient comfort (median · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 4 studies · 1364 participants | Very low |
Reactive air surfaces vs alternating pressure (active) air surfaces All reported adverse events · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs alternating pressure (active) air surfaces Health‐related quality of life · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs alternating pressure (active) air surfaces Cost‐effectiveness · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs foam surfaces Proportion of participants developing a new pressure ulcer · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | RR 0.42 [0.18, 0.96] | 4 studies · 229 participants | Low |
Reactive air surfaces vs foam surfaces Time to pressure ulcer incidence · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive air surfaces vs foam surfaces Support surface associated patient comfort · pressure ulcer prevention Reactive air surfaces for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 1 study · 72 participants | Very low |
Reactive water surfaces vs alternating pressure (active) air surfaces Proportion of participants developing a new pressure ulcer · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | RR 0.83 [0.35, 1.93] | 2 studies · 358 participants | Very low |
Reactive water surfaces vs reactive air surfaces All reported adverse events · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive water surfaces vs reactive air surfaces Health‐related quality of life · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive water surfaces vs reactive air surfaces Cost effectiveness · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive fibre surfaces vs alternating pressure (active) air surfaces Proportion of participants developing a new pressure ulcer · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | RR 1.11 [0.84, 1.47] | 3 studies · 285 participants | Very low |
Reactive fibre surfaces vs alternating pressure (active) air surfaces Time to pressure ulcer incidence · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive fibre surfaces vs alternating pressure (active) air surfaces Support surface associated patient comfort · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | 1 study · 187 participants | Very low |
Reactive fibre surfaces vs alternating pressure (active) air surfaces All reported adverse events · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive fibre surfaces vs alternating pressure (active) air surfaces Health‐related quality of life · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive fibre surfaces vs alternating pressure (active) air surfaces Cost effectiveness · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive fibre surfaces vs foam surfaces Proportion of participants developing a new pressure ulcer · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | RR 0.86 [0.47, 1.57] | 1 study · 68 participants | Very low |
Reactive water surfaces vs alternating pressure (active) air surfaces Time to pressure ulcer incidence · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive fibre surfaces vs foam surfaces Time to pressure ulcer incidence · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive fibre surfaces vs foam surfaces Support surface‐associated patient comfort · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Reactive fibre surfaces vs foam surfaces All reported adverse events · preventing pressure ulcers Alternative reactive support surfaces (non‐foam and non‐air‐filled) for preventing pressure ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |