Table S1. Description of populations in each center for four groups [n (%)].
| Center | The number of participants | No microvascular complications | Diabetic retinopathy | Diabetic neuropathy | Diabetic nephropathy |
|---|---|---|---|---|---|
| 1 | 388 | 344 (88.7) | 16 (4.1) | 33 (8.5) | 6 (1.5) |
| 2 | 992 | 572 (57.7) | 116 (11.7) | 384 (38.7) | 116 (11.7) |
| 3 | 471 | 367 (77.9) | 71 (15.1) | 35 (7.4) | 30 (6.4) |
| 4 | 628 | 421 (67.0) | 165 (26.3) | 89 (14.2) | 95 (15.1) |
| 5 | 644 | 484 (75.2) | 83 (12.9) | 135 (21.0) | 24 (3.7) |
| 6 | 667 | 269 (40.3) | 228 (34.2) | 252 (37.8) | 112 (16.8) |
| 7 | 515 | 301 (58.4) | 104 (20.2) | 126 (24.5) | 103 (20.0) |
| 8 | 185 | 185 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| The total population | 4,490 | 2,943 (65.5) | 783 (17.4) | 1,054 (23.5) | 486 (10.8) |