Table 1.
Group | Cases (n) | Mean age (yrs) | Sex (n) | Diabetes duration (mean, yrs) |
Preoperative blood glucose (mmol/L) |
Eye (n) | ||
---|---|---|---|---|---|---|---|---|
Male | Female | Right | Left | |||||
Control group | 10 | 72 | 4 | 6 | 0 | 5.74–1.26 | 7 | 3 |
NDR group | 22 | 68 | 4 | 18 | 13 | 8.54–2.47 | 11 | 11 |
NPDR group | 15 | 66 | 7 | 8 | 15 | 9.56–3.53 | 10 | 5 |
PDR group | 14 | 67 | 6 | 8 | 17 | 8.01–1.83 | 7 | 7 |
P value | 0.314a | 0.015b | 0.248a# | 0.290a# | 0.249b |
aAnalysis of variance; bChi-square test; #comparison among the NDR, NPDR, and PDR groups; NDR: nondiabetic retinopathy; NPDR: nonproliferative diabetic retinopathy; PDR: proliferative diabetic retinopathy.