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Table 1 Screening results of BCDRT in 2009*

From: Implementation and first-year screening results of an ocular telehealth system for diabetic retinopathy in China

  N (%)
Total diabetic residents screened 471 (100)
Gender  
   Male 181 (38.43)
   Female 290 (61.57)
Age  
   < 60 years old 159 (33.76)
   > = 60 years old 312 (66.24)
Treatment of diabetes  
   insulin or oral hypoglycemic agents 353 (74.95)
   lifestyle intervention alone (diet, regular exercise, or both) 118 (25.05)
Previously diagnosed with DR 35 (7.43%)
Previous treatment of DR  
   laser coaglulation 13 (2.76)
   vitreoretinal surgery 2 (0.42)
Visual acuity of the better-seeing eye  
   20/20 to 20/25 279 (59.24)
   20/30 to 20/50 122 (25.90)
   20/60 to 20/100 50 (10.62)
   20/200 to 20/400 17 (3.61)
   worse than 20/400 3 (0.64)
DR detected by BCDRT  
   Total 115 (24.42)
   Mild NPDR 71 (15.07)
   Moderate NPDR 26 (5.52)
   Severe NPDR 8 (1.70)
   Proliferative DR 10 (2.12)
Diabetic macular edema detected by BCDRT 24 (6.47)
  1. * BCDRT: the Beixinjing Community Diabetic Retinopathy Telehealth system; DR: diabetic retinopathy; NPDR: non proliferative diabetic retinopathy; PDR: proliferative diabetic retinopathy