Table 2. Comparison of clinical factor of DR patients by depression status.
| Depression Status | |||||
|---|---|---|---|---|---|
| Variables | Overall sample | CES-D score ≥ 16 | CES-D score < 16 | z/χ2 | P |
| Duration of diabetes(year), median (IQR) | 10.00(10.00) | 11.00(12.00) | 10.00(10.00) | -0.37 | 0.710 |
| Fasting plasma glucose, mg/dl, median (IQR) | 7.00(2.00) | 7.10(2.20) | 7.00(2.00) | -0.02 | 0.990 |
| Postprandial glucose (2h),mg/dl, median (IQR) | 9.00(3.20) | 9.00(5.30) | 9.10(2.95) | -1.18 | 0.240 |
| HbA1c,%, median (IQR) | 8.90(1.95) | 8.35(3.05) | 9.00(1.80) | -0.55 | 0.580 |
| Vision in the better eye, median (IQR) | 0.30(0.35) | 0.25(0.30) | 0.30(0.40) | -3.63 | 0.000 |
| Vision in the worse eye, median (IQR) | 0.08(0.15) | 0.01(0.15) | 0.10(0.20) | -2.84 | 0.005 |
| Insulin use (yes),n(%) | 197(67.01) | 72(36.55) | 125(63.45) | 0.18* | 0.670 |
| Hypertension(yes), n(%) | 169(57.48) | 55(32.54) | 114(67.46) | 1.74* | 0.190 |
| Severity of DR, n(%) | 5.95* | 0.110 | |||
| Mild NPDR | 15(5.10) | 3(20.00) | 12(80.00) | ||
| Moderate NPDR | 31(10.54) | 7(22.58) | 24(77.42) | ||
| Severe NPDR | 27(9.18) | 13(48.15) | 14(51.85) | ||
| PDR | 221(75.17) | 82(37.10) | 139(62.90) | ||
| Treatment history, n(%) | 9.69* | 0.021 | |||
| No | 181(61.56) | 62(34.25) | 119(65.75) | ||
| Laser treatment | 58(19.73) | 29(50.00) | 29(50.00) | ||
| Operative treatment | 34(11.56) | 11(32.35) | 23(67.65) | ||
| Laser +Operative | 21(7.14) | 3(14.29) | 18(85.71) | ||
Bold values indicate significant results(p<0.05).
IQR: Interquartile range
DR: Diabetic retinopathy
NPDR: Non proliferative diabetic retinopathy
PDR: Proliferative diabetic retinopathy
*Chi-square test.