Table 1. Baseline characteristics of type 2 diabetic patients with macular edema [ME (+)] and without macular edema [ME (-)].
| Characteristics | ME (-) | ME (+) | P value |
|---|---|---|---|
| Number | 68 | 56 | - |
| Gender | 0.376* | ||
| Male (%) | 37 (54.4) | 26 (46.4) | |
| Female (%) | 31 (45.6) | 30 (53.6) | |
| Age (SD) | 65.71 (7.35) | 68.92 (8.12) | 0.324 † |
| Duration of diabetes, y (SD) | 13.2 (10.5) | 16.7 (11.2) | 0.015 † |
| Hypertension (%) | 31 (45.6) | 37 (66.1) | 0.023* |
| Blood glucose level, mmol/l (SD) | 7.62 (2.18) | 9.12 (3.26) | 0.024 † |
| Glycosylated hemoglobin (SD) | 7.78 (2.23) | 8.66 (2.32) | 0.032 ‡ |
| Retinal macular thickness, μm (SD) | 214.41 (20.70) | 431.84 (89.98) | <0.001 † |
| Retinal macular volume, mm3 (SD) | 2.34 (1.49) | 7.94 (1.82) | <0.001 † |
| ETDRS retinopathy severity | 0.328* | ||
| level 43 (%) | 28 (41.2) | 21 (37.5) | |
| level 47 (%) | 34 (50.0) | 25 (44.6) | |
| level 53 (%) | 6 (8.8) | 10 (17.9) |
*Pearson χ2 test
†Student’s t-test
‡Mann-Whitney U test