Table 1 Baseline characteristics of participants in different study populations.
Characteristics | Modelling population n = 21,857 | Validating subjects n = 300 | Borderline subjects n = 2,113 | ||
|---|---|---|---|---|---|
N (%) | N (%) | P * | N (%) | P * | |
Age(Mean ± SD) | 45.6 ± 8.3 | 44.5 ± 4.8 | <0.001** | 45.7 ± 8.2 | 0.624** |
Sex | 0.600 | <0.001 | |||
Male | 9,360(42.8) | 133(44.3) | 1,009 (47.8) | ||
Female | 12,497(57.2) | 167(55.7) | 1,104 (52.2) | ||
Smoking | 0.887 | 0.284 | |||
No | 17,102(78.2) | 222(74.0) | 1,632 (77.2) | ||
Yes | 4,755(21.8) | 63(21.0) | 481 (22.8) | ||
Missing | 0(0.0) | 15(5.0) | 0(0.0) | ||
Drinking | <0.001 | 0.009 | |||
No | 16,108(73.7) | 238(79.3) | 1,502 (71.1) | ||
Yes | 5,749(26.3) | 47(15.7) | 611 (28.9) | ||
Missing | 0(0.0) | 15(5.0) | 0(0.0) | ||
