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Table 3 Diabetic retinopathy and maculopathy classification in each center, in four different Brazilian regions (Southeast, South, Northeast and Center-West)

From: Comparison between binocular indirect ophthalmoscopy and digital retinography for diabetic retinopathy screening: the multicenter Brazilian Type 1 Diabetes Study

 

Center 1

Southeast

Center 2

Southeast

Center 3

Southeast

Center 4

Southeast

Center 5

South

Center 6

Northeast

Center 7

Center-West

Total

DR-absent

109 (60.6 %)

118 (45.9 %)

71 (41.0 %)

31 (32.6 %)

89 (49.4 %)

82 (50.3 %)

108 (49.5 %)

608 (48.0 %)

DR-NP mild

35 (19.4 %)

91 (35.4 %)

53 (30.6 %)

33 (34.7 %)

44 (24.4 %)

42 (25.8 %)

54 (24.8 %)

352 (27.8 %)

DR-NP moderate

10 (5.6 %)

12 (4.7 %)

5 (2.9 %)

6 (6.3 %)

8 (4.4 %)

4 (2.5 %)

7 (3.2 %)

52 (4.1 %)

DR-NP severe

8 (4.4 %)

9 (3.5 %)

4 (2.3 %)

0 (0.0 %)

3 (1.7 %)

4 (2.5 %)

6 (2.8 %)

34 (2.7 %)

DR-proliferative

14 (7.8 %)

20 (7.8 %)

29 (16.8 %)

18 (19.0 %)

27 (15.0 %)

22 (13.5 %)

29 (13.3 %)

159 (12.6 %)

DR-impossible

4 (2.2 %)

7 (2.7 %)

11 (6.4 %)

7 (7.4 %)

9 (5.0 %)

9 (5.5 %)

14 (6.4 %)

61 (4.8 %)

Total retinopathy

180 (100 %)

257 (100 %)

173 (100 %)

95 (100 %)

180 (100 %)

163 (100 %)

218 (100 %)

1266 (100 %)

MAC-apparently absent

141 (78.3 %)

201 (78.2 %)

137 (79.2 %)

72 (75.8 %)

144 (80.0 %)

124 (76.1 %)

161 (73.9 %)

980 (77.4 %)

MAC-apparenlty present

32 (17.8 %)

42 (16.4 %)

14 (8.1 %)

13 (13.7 %)

18 (10.0 %)

25 (15.3 %)

35 (16.1 %)

179 (14.1 %)

MAC-impossible

7 (3.9 %)

14 (5.4 %)

22 (12.7 %)

10 (10.5 %)

18 (10.0 %)

14 (8.6 %)

22 (10.1 %)

107 (8.5 %)

Total maculopathy

180 (100 %)

257 (100 %)

173 (100 %)

95 (100 %)

180 (100 %)

163 (100 %)

218 (100 %)

1266 (100 %)

  1. DR diabetic retinopathy, NP non-proliferative, MAC maculopathy, BIO binocular indirect ophthalmoscopy