Table 4.
Surgical procedures of PDR and PVR.
| Time of surgery (minutes) | Endolaser photocoagulation (shots) | Membrane remove (+/−) | Encircling (+/−) | Retinotomy (+/−) | |||
|---|---|---|---|---|---|---|---|
| 1st surgery | 2nd surgery | ||||||
| PDR | Simple | 92.8 ± 49.9 | 32.9 ± 10.6 | 1493.9 ± 935.0 | 10/0 | 0/10 | 0/10 |
| Exacerbated | 101.3 ± 31.1 | 73.1 ± 34.2 | 1715.0 ± 517.9 | 7/0 | 2/5 | 1/6 | |
| P value | 0.46 | 0.0062 | 0.84 | ||||
| PVR | Simple | 116.0 ± 52.9 | 64.7 ± 33.9 | 1480.0 ± 588.7 | 6/0 | 0/6 | 0/6 |
| Exacerbated | 202.6 ± 97.7 | 89.6 ± 100.0 | 1113.5 ± 683.4 | 8/0 | 1/7 | 1/7 | |
| P value | 0.071 | 0.014 | 0.16 | ||||
PDR: Proliferative diabetic retinopathy, PVR: Proliferative vitreoretinopathy.