Analysis of diabetic retinopathy progression with respect to the individual preoperative factors
| Operated eye | Non-operated eye | |||||
|---|---|---|---|---|---|---|
| DR progressed (n = 10) | DR static (n = 40) | p Value | DR progressed (n = 8) | DR static (n = 42) | p Value | |
| Preoperative mean HbA1C (SD) | 9.5% (1.1%) | 7.9% (1.4%) | 0.003 | 9.8% (1.2%) | 8.0% (1.4%) | 0.001 |
| Duration of DM (years) (SD) | 15.9 (9.6) | 13.3 (9.5) | 0.42 | 12.8 (5.7) | 13.9 (10.1) | 0.74 |
| Pre-existing hypertension (n = 29) | 6/10 | 23/40 | 0.85 | 4/8 | 25/42 | 0.87 |
| Insulin treatment (n = 20) | 8/10 | 12/40 | 0.008 | 6/8 | 14/42 | 0.04 |