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Table 3 Comparison of demographic features and of subfoveal choroidal thickness in diabetic patients with different grades of diabetic retinopathy

From: Change in subfoveal choroidal thickness in diabetes and in various grades of diabetic retinopathy

  R1 (n = 16) R2 (n = 29) P value R3 (n = 19) P value (vs R1) P value (vs R2) R4 (n = 36) P value (vs R1) P value (vs R2) P value (vs R3)
Age 62.88 ± 6.05 65.24 ± 6.98 0.27 61.74 ± 7.05 0.61 0.11 59.47 ± 8.20 0.15 < 0.01* 0.33
Sex (M:F) 0:16 4:21 0.09 8:11 < 0.01* 0.05 11:18 < 0.01* 0.07 0.77
Duration of diabetes (years ± SD) 7.75 ± 3.13 15.10 ± 4.88 < 0.01* 13.53 ± 4.86 < 0.01 0.30 16.14 ± 6.42 < 0.01* 0.51 < 0.01*
SFCT (µm ± SD) 314.06 ± 14.41 303.03 ± 19.74 0.06 294.47 ± 15.65 < 0.01* 0.03* 284.56 ± 21.09 < 0.01* < 0.01* 0.08
  1. R1 mild non-proliferative diabetic retinopathy, R2 moderate non-proliferative diabetic retinopathy, R3 severe non-proliferative diabetic retinopathy, R4 proliferative diabetic retinopathy, SD standard deviation, SFCT subfoveal choroidal thickness
  2. *Statistically significant