Table 1.
Comparison of basic characteristics between different genders.
| Parameter | All (N=193) | Male (N=91) | Female (N=102) | Detection value | P value |
|---|---|---|---|---|---|
| Age at onset, years | 48.4 ± 13.9 | 51.7 ± 14.9 | 45.4 ± 12.4 | t=3.143 | 0.002 |
| Age at diagnosis, years | 51.0 ± 13.2 | 53.8 ± 14.1 | 48.5 ± 12.0 | t=2.840 | 0.005 |
| BMI, kg/m2 | 23.8 ± 3.7 | 23.7 ± 3.1 | 23.9 ± 4.2 | t=-0.300 | 0.765 |
| BMI subgroups, n (%) | 177 | 81 | 96 | z=-0.0067 | 0.946 |
| ≤18.4 | 12 (6.8%) | 5 (6.2%) | 7 (7.3%) | ||
| 18.5~23.9 | 90 (50.8%) | 38 (46.9%) | 52 (54.2%) | ||
| 24.0~27.9 | 45 (25.4%) | 31 (38.3%) | 14 (14.6%) | ||
| ≥28 | 30 (17.0%) | 7 (8.6%) | 23 (23.9%) | ||
| Residence, n (%) | 182 | 83 | 99 | x2 = 3.956 | 0.047 |
| Urban areas | 95 (52.2%) | 50 (60.2%) | 45 (45.5%) | ||
| Rural areas | 87 (47.8%) | 33 (39.8%) | 54 (54.5%) | ||
| Educational level, n (%) | 181 | 84 | 97 | z=-3.116 | 0.002 |
| Illiterate | 15 (8.3%) | 1 (1.2%) | 14 (14.4%) | ||
| Primary school | 18 (9.9%) | 5 (6.0%) | 13 (13.4%) | ||
| Junior high school | 57 (31.5%) | 29 (34.5%) | 28 (28.9%) | ||
| High school and technical secondary school | 36 (19. 9%) | 17 (20.2%) | 19 (19.6%) | ||
| College and above | 55 (30.4%) | 32 (38.1%) | 23 (23.7%) | ||
| Smoking, n (%) | 20 (10.9%) | 19 (22. 6%) | 1 (1.0%) | x2 = 21.798 | <0.001 |
| Drinking, n (%) | 13 (7.1%) | 12 (14.3%) | 1 (1.0%) | x2 = 12.136 | <0.001 |
The meaning of the bold values is P<0.05.