Table 2 Descriptive data and results of one-way ANOVA from diabetic patients and controls.
From: Achromatic and chromatic contrast discrimination in patients with type 2 diabetes
Paradigm | Control (n = 38) | No-DR (n = 24) | NPDR (n = 12) | PDR (n = 6) | P value |
---|---|---|---|---|---|
Pulsed pedestal | |||||
7 cd/m2 | 0.157 (0.138) | 0.244 (0.170) | 0.387 (0.259) | 0.505 (0.103) | < 0.01* |
12 cd/m2 | − 0.240 (0.165) | − 0.107 (0.149) | 0.015 (0.288) | 0.370 (0.147) | < 0.01* |
19 cd/m2 | 0.133 (0.209) | 0.233 (0.190) | 0.302 (0.220) | 0.570 (0.140) | < 0.01* |
Pedestal-△-pedestal | |||||
11 cd/m2 | 0.431 (0.088) | 0.474 (0.138) | 0.517 (0.162) | 0.644 (0.062) | < 0.01* |
18 cd/m2 | 0.226 (0.176) | 0.296 (0.201) | 0.390 (0.265) | 0.498 (0.058) | < 0.01* |
28 cd/m2 | 0.402 (0.132) | 0.429 (0.134) | 0.506 (0.148) | 0.551 (0.144) | 0.03* |
Chromatic contrast threshold measurement | |||||
Protan | 0.012 (0.004) | 0.013 (0.004) | 0.027 (0.025) | 0.066 (0.058) | < 0.01* |
Deutan | 0.021 (0.010) | 0.029 (0.029) | 0.088 (0.155) | 0.247 (0.262) | < 0.01* |
Tritan | 0.029 (0.016) | 0.047 (0.032) | 0.103 (0.091) | 0.197 (0.132) | < 0.01* |