Cochrane · systematic review · CD011234
Laser photocoagulation for proliferative diabetic retinopathy
Evans, JR, Michelessi, M, Virgili, G · Cochrane Database of Systematic Reviews · 2014 · Cochrane Library
Eyes and VisionAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
4
No studies
3
Included studies
NR
No studies 3 · 42.9%Ungraded 0 · 0%Very low 0 · 0%Low 3 · 42.9%Moderate 1 · 14.3%High 0 · 0%
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.
Questions and results
Laser photocoagulation compared to control for diabetic retinopathy
Population: people with diabetic retinopathy
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Loss of 15 or more letters BCVA Laser photocoagulation vs control | RR 0.99 [0.89, 1.11] | 2 studies · 8926 participants | Low Downgraded: risk of bias, imprecision, inconsistency, indirectness |
BCVA measured using logMAR acuity (0 = 6/6 visual acuity, higher score is worse visual acuity) Laser photocoagulation vs control | no estimate extracted | 1 study · 36 participants | Low Downgraded: risk of bias, imprecision, inconsistency, indirectness |
Severe visual loss (BCVA < 6/60) Laser photocoagulation vs control | RR 0.46 [0.24, 0.86] | 4 studies · 9276 participants | Moderate Downgraded: risk of bias, imprecision, inconsistency, indirectness |
Progression of diabetic retinopathy Laser photocoagulation vs control | RR 0.49 [0.37, 0.64] | 4 studies · 8331 participants | Low Downgraded: risk of bias, imprecision, inconsistency, indirectness |
Quality of life Laser photocoagulation vs control | no estimate extracted | NR | No studies |
Pain Laser photocoagulation vs control | no estimate extracted | NR | No studies |
Loss of driving licence Laser photocoagulation vs control | no estimate extracted | NR | No studies |