Table 4 RNFL and macular thickness in no diabetic retinopathy and NPDR
Quadrants / Subfields | Mean (SD) | Mean difference (95% CI) | t statistics (df) | p value | |
|---|---|---|---|---|---|
No DR | NPDR | ||||
RNFL thickness (μm) | |||||
 Superior | 107.76 (21.92) | 111.52 (22.31) | −9.947, 3.597 | −1.126 | 0.262 |
 Inferior | 108.16 (22.92) | 108.81 (25.01) | −7.700, 6.968 | −0.183 | 0.855 |
 Temporal | 71.10 (13.71) | 75.02 (11.33) | −7.621, −0.226 | −2.092 | 0.038 |
 Nasal | 73.72 (15.13) | 73.79 (15.19) | −4.015, 5.082 | 0.231 | 0.817 |
Macular thickness (μm) | |||||
 Fovea | 262.57 (23.44) | 262.86 (29.34) | −8.110, 7.522 | −0.073 | 0.942 |
 Superior inner | 330.63 (17.25) | 333.64 (28.34) | −9.911, 3.889 | −0.861 | 0.391 |
 Superior outer | 288.37 (16.05) | 298.07 (27.20) | −16.268, −3.313 | −2.291 | 0.004 |
 Inferior inner | 327.62 (19.33) | 330.41 (28.22) | −9.904, 4.326 | −0.773 | 0.440 |
 Inferior outer | 278.93 (22.71) | 286.98 (27.20) | −15.415, −0.674 | −2.154 | 0.033 |
 Temporal inner | 320.07 (18.20) | 323.68 (27.93) | −10.547, 3.323 | −1.028 | 0.306 |
 Temporal outer | 274.11 (14.05) | 284.90 (24.38) | −16.641, −4.936 | −3.638 | <0.001 |
 Nasal inner | 334.70 (20.00) | 366.69 (26.62) | −100.056, 36.079 | −0.927 | 0.355 |
 Nasal outer | 306.32 (17.90) | 311.59 (24.49) | −11.576, 1.043 | −0.165 | 0.101 |