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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 |
|---|---|---|---|
Suprasorb CNP system vs the ABThera system Adverse events (fistulae formation) · adults with an open abdomen after surgery who have not experienced trauma Negative pressure wound therapy for managing the open abdomen in non‐trauma patients (2022) · Cochrane | RR 0.11 [0.01, 1.92] | 1 study · 34 participants | Very low |
Suprasorb CNP system vs the ABThera system All‐cause mortality · adults with an open abdomen after surgery who have not experienced trauma Negative pressure wound therapy for managing the open abdomen in non‐trauma patients (2022) · Cochrane | RR 0.33 [0.04, 2.89] | 1 study · 34 participants | Very low |
Clipping vs no hair removal Surgical site infection (SSIs) · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 0.95 [0.65, 1.39] | 3 studies · 1733 participants | Low |
Depilatory cream vs no hair removal Wound complications · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Depilatory cream vs no hair removal Length of stay · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Depilatory cream vs no hair removal Cost · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | 1 study · 267 participants | Very low |
Shaving vs clipping Surgical site infection (SSI) · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 1.64 [1.16, 2.33] | 7 studies · 3723 participants | Moderate |
Shaving vs clipping Wound complications · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 1.74 [1.12, 2.71] | 3 studies · 1333 participants | Moderate |
Shaving vs clipping Length of stay · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Shaving vs clipping Cost · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Shaving vs cream Surgical site infection (SSI) · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 2.28 [1.12, 4.65] | 9 studies · 1593 participants | Moderate |
Shaving vs cream Wound complications · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 6.95 [3.45, 13.98] | 5 studies · 937 participants | Low |
Shaving vs cream Length of stay · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Clipping vs no hair removal Wound complications · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Shaving vs cream Cost · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | 3 studies · 402 participants | Very low |
Hair removal the day before surgery vs hair removal on the day of surgery Surgical site infection (SSIs) · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 0.83 [0.54, 1.3] | 1 study · 977 participants | Low |
Hair removal the day before surgery vs hair removal on the day of surgery Wound complications · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Hair removal the day before surgery vs hair removal on the day of surgery Length of stay · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Hair removal the day before surgery vs hair removal on the day of surgery Cost · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Clipping vs no hair removal Length of stay · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Clipping vs no hair removal Cost of care · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | NR | No studies |
Shaving vs no hair removal Surgical site infection (SSIs) · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 1.82 [1.05, 3.14] | 7 studies · 1706 participants | Moderate |
Shaving vs no hair removal Wound complications · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 1 [0.21, 4.66] | 1 study · 80 participants | Low |
Shaving vs no hair removal Length of stay · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | 1 study · 136 participants | Low |
Shaving vs no hair removal Cost · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | no estimate extracted | 1 study · 278 participants | Very low |
Depilatory cream vs no hair removal Surgical site infection (SSI) · people undergoing surgery Preoperative hair removal to reduce surgical site infection (2021) · Cochrane | RR 1.02 [0.45, 2.31] | 1 study · 267 participants | Low |
Polyhexamethylene biguanide (PHMB) vs 0.9% saline solution Time to healing · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Aqueous oxygen peroxide vs sterile water Change in ulcer size (surface area changes in cm2 from baseline) ‐ ITT ‐ after 8 weeks of · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | 1 study · 61 participants | Very low |
Aqueous oxygen peroxide vs sterile water Procedural pain (pain measured using a 0 to 10 cm Likert scale, which gives a 0–100 pain rating (0 = no pain, 100 = very painful) ‐ ITT ‐ after 8 weeks of · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | 1 study · 61 participants | Very low |
Aqueous oxygen peroxide vs sterile water Cost · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Aqueous oxygen peroxide vs sterile water Health related quality of life · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Aqueous oxygen peroxide vs sterile water Adverse events · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Propyl betaine and polihexanide vs saline solution Time to healing · participants with chronic leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Propyl betaine and polihexanide vs saline solution Number of wounds healed · participants with chronic leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Propyl betaine and polihexanide vs saline solution Change in ulcer size after 4 weeks of · participants with chronic leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | 1 study · 38 participants | Very low |
Propyl betaine and polihexanide vs saline solution Procedural pain after 4 weeks of follow‐ up (self‐assessed, subjectively, using a validated 10‐mm visual analogue scale) · participants with chronic leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | 1 study · 38 participants | Very low |
Propyl betaine and polihexanide vs saline solution Cost · participants with chronic leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Polyhexamethylene biguanide (PHMB) vs 0.9% saline solution Number of wounds healed · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Propyl betaine and polihexanide vs saline solution Health related quality of life · participants with chronic leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Propyl betaine and polihexanide vs saline solution Adverse events after 4 weeks of · participants with chronic leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | 1 study · 38 participants | Very low |
OHP vs Ringer's solution Time to complete wound healing · participants with treating venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
OHP vs Ringer's solution Number of wounds healed after 12 weeks of · participants with treating venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | RR 0.96 [0.53, 1.72] | 1 study · 99 participants | Very low |
OHP vs Ringer's solution Change in ulcer size over time (cm2) after week 12 of · participants with treating venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | 1 study · 99 participants | Very low |
OHP vs Ringer's solution Procedural pain · participants with treating venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
OHP vs Ringer's solution Cost · participants with treating venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
OHP vs Ringer's solution Health related quality of life · participants with treating venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
OHP vs Ringer's solution Adverse events after week 12 of · participants with treating venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | RR 0.58 [0.29, 1.14] | 1 study · 126 participants | Very low |
Polyhexamethylene biguanide (PHMB) vs 0.9% saline solution Change in ulcer size over time · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Polyhexamethylene biguanide (PHMB) vs 0.9% saline solution Pain · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |
Polyhexamethylene biguanide (PHMB) vs 0.9% saline solution Cost · participants with venous leg ulcers Wound cleansing for treating venous leg ulcers (2021) · Cochrane | no estimate extracted | NR | No studies |