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*

  1. Descriptive data are presented as mean (SD). The results of the pulsed pedestal paradigm and pedestal--pedestal paradigm are described in units of log cd/m2. Data of the chromatic CS are given in CIE u′v′ units, *indicates significant p values (p < 0.05).