Table 1. Comparison of general characteristics of the two groups.
| Groups | Cases | Sex |
Age (a) |
Occupation |
Season |
Duration between onset (mo) |
||||||||
| M | F | ≤44 | 45-59 | ≥60 | Peasants | Workers | Cadres | Other | Spring and autumn | Summer and winter | ≤3 | >3 | ||
| T2DM group | 230 | 146 (63.5) | 84 (36.5) | 12 (5.2) | 98 (42.6) | 120 (52.2) | 192 (83.5) | 24 (10.4) | 2 (0.9) | 12 (5.2) | 104 (45.2) | 126 (54.8) | 144 (62.6) | 86 (37.4) |
| NDM group | 168 | 111 (66.1) | 57 (33.9) | 33 (19.6) | 63 (37.5) | 72 (42.9) | 141 (83.9) | 7 (4.2) | 0 (0) | 20 (11.9) | 57 (33.9) | 111 (66.1) | 80 (47.6) | 88 (52.4) |
| χ2 | 0.285 | 20.242 | 11.760 | 5.136 | 8.866 | |||||||||
| P | >0.05 | <0.001 | <0.01 | <0.05 | <0.01 | |||||||||
n (%)