Table 1. Clinical characteristics of participants.
| Stage1 | Stage2 | |||||
|---|---|---|---|---|---|---|
| Set1 | Set2 | |||||
| case | control | case | control | case | control | |
| n | 2,380 | 5,234 | 429 | 358 | 1,213 | 1,298 |
| M/F | 1,611/769 | 3,162/2,072 | 304/125 | 226/131** | 833/380 | 759/539 |
| Men% | 67.6 | 60.4 | 70.9 | 63.1 | 68.6 | 58.5 |
| age | 65.9 ± 10.5 | 66.3 ± 9.6 | 67.2 ± 10.0 | 66.9 ± 9.2 | 63.9 ± 11.0 | 63.9 ± 10.5 |
| BMI | 23.9 ± 4.0* | 23.6 ± 3.6 | 23.5 ± 4.0 | 23.8 ± 3.8 | 24.1 ± 3.9 | 23.6 ± 3.8 |
| Diabetes duration | 13.1 ± 9.8* | 14.4 ± 8.5 | 13.4 ± 10.2 | 13.2 ± 10.0 | 12.0 ± 9.5 | 10.5 ± 8.8 |
* P < 0.01 vs. control
** information of sex for one participant is not available