Table 4.
Comparison of the prevalence of hypothyroidism by gender and age (%).
| Variables | The number of survey | Clinical hypothyroidism | Subclinical hypothyroidism | Hypothyroidism |
|---|---|---|---|---|
| N(%) | N(%) | N(%) | N(%) | |
| Gender | ||||
| Male | 1358(51.67) | 9(0.66) | 320(23.56) | 330(24.30) |
| Female | 1270(48.33) | 18(1.42) | 448(35.28) | 466(36.69) |
| χ2 | 3.667 | 43.365 | 47.187 | |
| P | 0.042 | <0.001 | <0.001 | |
| Age (years) | ||||
| 18- | 636(24.20) | 0(0) | 137(25.56) | 137(25.56) |
| 30- | 547(20.82) | 5(0.91) | 113(20.66) | 118(21.57) |
| 40- | 568(21.61) | 10(1.76) | 181(31.87) | 191(33.63) |
| 50- | 424(16.14) | 4(0.94) | 163(38.44) | 167(39.39) |
| 60- | 263(10.01) | 3(1.14) | 107(40.68) | 110(41.83) |
| ≥70 | 190(7.23) | 5(2.63) | 67(35.26) | 72(37.89) |
| χ2 | 14.544 | 76.804 | 79.944 | |
| P | 0.013 | <0.001 | <0.001 | |
| 合计 | 2628 | 28(1.07) | 768(29.22) | 796(30.29) |