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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
Intervention NR
Other adverse events · patients with venous leg ulcers
Oral aspirin for treating venous leg ulcers (2016) · Cochrane
no estimate extracted2 studies · 71 participantsUngraded
Chlorhexidine vs povidone‐iodine
Catheter‐related BSI ‐ overall comparison between chlorhexidine and povidone‐iodine (during in‐patient stay) · patients with a central venous catheter
Skin antisepsis for reducing central venous catheter‐related infections (2016) · Cochrane
RR 0.64 [0.41, 0.99]4 studies · 1436 participantsVery low
Chlorhexidine vs povidone‐iodine
Catheter‐related BSI ‐ subgroup: chlorhexidine in aqueous solution versus povidone‐iodine in aqueous solution · patients with a central venous catheter
Skin antisepsis for reducing central venous catheter‐related infections (2016) · Cochrane
RR 0.64 [0.32, 1.28]2 studies · 452 participantsVery low
Chlorhexidine vs povidone‐iodine
Catheter‐related BSI ‐ subgroup: chlorhexidine in alcohol versus povidone‐iodine in aqueous solution · patients with a central venous catheter
Skin antisepsis for reducing central venous catheter‐related infections (2016) · Cochrane
RR 0.77 [0.39, 1.53]2 studies · 503 participantsVery low
Chlorhexidine vs povidone‐iodine
Catheter‐related BSI ‐ subgroup: chlorhexidine in alcohol versus povidone‐iodine in alcohol · patients with a central venous catheter
Skin antisepsis for reducing central venous catheter‐related infections (2016) · Cochrane
RR 0.4 [0.13, 1.24]1 study · 481 participantsModerate
Chlorhexidine vs povidone‐iodine
Primary BSI or clinical sepsis · patients with a central venous catheter
Skin antisepsis for reducing central venous catheter‐related infections (2016) · Cochrane
no estimate extractedNRNo studies
Chlorhexidine vs povidone‐iodine
All‐cause mortality ‐ Chlorhexidine in aqueous solution versus povidone‐iodine in aqueous solution Clinical assessment · patients with a central venous catheter
Skin antisepsis for reducing central venous catheter‐related infections (2016) · Cochrane
RR 1.15 [0.72, 1.83]1 study · 213 participantsLow
Chlorhexidine vs povidone‐iodine
All‐cause mortality ‐ Chlorhexidine in alcohol versus povidone‐iodine in aqueous solution Clinical assessment · patients with a central venous catheter
Skin antisepsis for reducing central venous catheter‐related infections (2016) · Cochrane
RR 0.8 [0.48, 1.34]1 study · 222 participantsLow
Chlorhexidine vs povidone‐iodine
Mortality attributable the CVC‐related infections. · patients with a central venous catheter
Skin antisepsis for reducing central venous catheter‐related infections (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Proportion of ulcers completely healed (overall) · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
RR 1.66 [1.3, 2.12]3 studies · 438 participantsLow
Sulodexide + local treatment vs local treatment
Direct costs · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Proportion of ulcers completely healed at 30 days · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
RR 1.91 [1, 3.66]1 study · 114 participantsVery low
Sulodexide + local treatment vs local treatment
Proportion of ulcers completely healed at 60 days · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
RR 1.65 [1.2, 2.28]2 studies · 324 participantsLow
Sulodexide + local treatment vs local treatment
Proportion of ulcers completely healed at 90 days · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
RR 1.6 [1.17, 2.2]1 study · 230 participantsLow
Sulodexide + local treatment vs local treatment
Time to complete ulcer healing · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Change in absolute ulcer size · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Ulcer recurrence · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Adverse effects · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
RR 1.44 [0.48, 4.34]2 studies · 344 participantsVery low
Sulodexide + local treatment vs local treatment
Health‐related quality of life · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Incidence of any surgical site infection · lower limb arterial surgery
Wound drainage for lower limb arterial surgery (2016) · Cochrane
RR 1.33 [0.3, 5.94]1 study · 50 participantsVery low
Intervention NR
Incidence of wound dehiscence · lower limb arterial surgery
Wound drainage for lower limb arterial surgery (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Incidence of reoperation for wound or graft‐related complications · lower limb arterial surgery
Wound drainage for lower limb arterial surgery (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Changes in health‐related quality of life · lower limb arterial surgery
Wound drainage for lower limb arterial surgery (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Time to wound healing · patients aged 18 years or over with primary perianal abscess
Internal dressings for healing perianal abscess cavities (2016) · Cochrane
no estimate extracted1 study · 14 participantsVery low
Intervention NR
Wound pain at initial dressing change Scale: VAS (high score= worse pain) · patients aged 18 years or over with primary perianal abscess
Internal dressings for healing perianal abscess cavities (2016) · Cochrane
no estimate extracted2 studies · 57 participantsVery low
Intervention NR
Wound pain over 2 weeks Scale: VAS (high score= worse pain) · patients aged 18 years or over with primary perianal abscess
Internal dressings for healing perianal abscess cavities (2016) · Cochrane
no estimate extracted2 studies · 57 participantsVery low
Skin grafts and tissue replacements vs placebo or standard care
Incidence of complete closure of the ulcer (healing rate) · People with diabetes who have foot ulcers
Skin grafting and tissue replacement for treating foot ulcers in people with diabetes (2016) · Cochrane
RR 1.55 [1.3, 1.85]13 studies · 1472 participantsLow
Skin grafts and tissue replacements vs placebo or standard care
Time to complete closure of the ulcer · People with diabetes who have foot ulcers
Skin grafting and tissue replacement for treating foot ulcers in people with diabetes (2016) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Skin grafts and tissue replacements vs placebo or standard care
Total incidence of lower limb amputations · People with diabetes who have foot ulcers
Skin grafting and tissue replacement for treating foot ulcers in people with diabetes (2016) · Cochrane
RR 0.43 [0.23, 0.81]2 studies · 522 participantsVery low
Topical antibiotics vs no topical antibiotic.
Surgical site infection · people presenting for surgery where healing of surgical wound(s) was planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
RR 0.61 [0.42, 0.87]7 studies · 5427 participantsModerate
Topical antibiotics vs antiseptic
Wounds healed 5‐14 days · people presenting for surgery where healing of surgical wound planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
no estimate extractedNRNo studies
Topical antibiotics vs no topical antibiotic.
Allergic contact dermatitis · people presenting for surgery where healing of surgical wound(s) was planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
RR 3.94 [0.46, 34]3 studies · 3012 participantsVery low
Topical antibiotics vs no topical antibiotic.
Anaphylaxis · people presenting for surgery where healing of surgical wound(s) was planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
no estimate extractedNRNo studies
Topical antibiotics vs no topical antibiotic.
Patterns of antibiotic resistance · people presenting for surgery where healing of surgical wound(s) was planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
no estimate extractedNRNo studies
Topical antibiotics vs no topical antibiotic.
Wounds healed 5‐14 days · people presenting for surgery where healing of surgical wound(s) was planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
no estimate extractedNRNo studies
Topical antibiotics vs antiseptic
Surgical site infection · people presenting for surgery where healing of surgical wound planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
RR 0.49 [0.3, 0.8]4 studies · 1299 participantsModerate
Topical antibiotics vs antiseptic
Allergic contact dermatitis · people presenting for surgery where healing of surgical wound planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
RR 0.97 [0.52, 1.82]1 study · 541 participantsVery low
Topical antibiotics vs antiseptic
Anaphylaxis · people presenting for surgery where healing of surgical wound planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
no estimate extractedNRNo studies
Topical antibiotics vs antiseptic
Patterns of antibiotic resistance · people presenting for surgery where healing of surgical wound planned to be by primary intention
Topical antibiotics for preventing surgical site infection in wounds healing by primary intention (2016) · Cochrane
no estimate extractedNRNo studies
Protease‐modulating matrix dressing regimen vs any other dressing regimen
TIme to complete healing · people with venous leg ulcers
Protease‐modulating matrix treatments for healing venous leg ulcers (2016) · Cochrane
HR 1.21 [0.74, 1.97]1 study · 100 participantsLow
Protease‐modulating matrix dressing regimen vs any other dressing regimen
Proportion of participants healed ‐ short term (4‐8 weeks) · people with venous leg ulcers
Protease‐modulating matrix treatments for healing venous leg ulcers (2016) · Cochrane
RR 0.73 [0.34, 1.58]2 studies · 207 participantsVery low
Protease‐modulating matrix dressing regimen vs any other dressing regimen
Proportion of participants healed ‐ medium term (12 weeks) · people with venous leg ulcers
Protease‐modulating matrix treatments for healing venous leg ulcers (2016) · Cochrane
RR 1.28 [0.95, 1.71]4 studies · 192 participantsLow
Protease‐modulating matrix dressing regimen vs any other dressing regimen
Proportion of participants healed ‐ long term (over 24 weeks) · people with venous leg ulcers
Protease‐modulating matrix treatments for healing venous leg ulcers (2016) · Cochrane
RR 1.06 [0.8, 1.41]1 study · 100 participantsLow
Protease‐modulating matrix dressing regimen vs any other dressing regimen
Proportion of participants with 1 or more adverse events at 2‐12 weeks · people with venous leg ulcers
Protease‐modulating matrix treatments for healing venous leg ulcers (2016) · Cochrane
RR 1.03 [0.75, 1.42]5 studies · 363 participantsLow
Intervention NR
Diabetic ulcers healed at 1 year. · patients with chronic wounds
Hyperbaric oxygen therapy for chronic wounds (2015) · Cochrane
RR 9.53 [0.44, 207.76]3 studies · 212 participantsModerate
Intervention NR
Diabetic ulcers ‐ major amputations · patients with chronic wounds
Hyperbaric oxygen therapy for chronic wounds (2015) · Cochrane
RR 0.36 [0.11, 1.18]5 studies · 312 participantsModerate
Preoperative showering with chlorhexidine 4% vs placebo
Surgical site infection · surgical patients
Preoperative bathing or showering with skin antiseptics to prevent surgical site infection (2015) · Cochrane
RR 0.91 [0.8, 1.04]4 studies · 7791 participantsHigh
Preoperative showering with chlorhexidine 4% vs placebo
Allergic reaction · surgical patients
Preoperative bathing or showering with skin antiseptics to prevent surgical site infection (2015) · Cochrane
RR 0.89 [0.36, 2.19]2 studies · 3589 participantsModerate
Chlorhexidine 4% vs bar soap
Surgical site infection · Surgical patients
Preoperative bathing or showering with skin antiseptics to prevent surgical site infection (2015) · Cochrane
RR 1.02 [0.57, 1.84]3 studies · 1443 participantsVery low
Chlorhexadine 4% vs no wash
Surgical site infection · surgical patients
Preoperative bathing or showering with skin antiseptics to prevent surgical site infection (2015) · Cochrane
RR 0.82 [0.26, 2.62]3 studies · 1142 participantsVery low