Table 4.
Number of Metabolic Components | Number of Subjects | Number of Subjects with Thyroid Cancer | Incidence Per 10,000 Person-Years | RR (95% CI) * | p Value |
---|---|---|---|---|---|
Male | |||||
0 | 479,721 | 1906 | 4.8 | Reference | |
1 | 710,554 | 3007 | 5.1 | 1.07 (1.01–1.13) | 0.023 |
2 | 664,909 | 3073 | 5.5 | 1.17 (1.10–1.23) | <0.001 |
3 | 421,177 | 2073 | 5.9 | 1.23 (1.16–1.31) | <0.001 |
4 | 165,985 | 944 | 6.8 | 1.41 (1.30–1.53) | <0.001 |
5 | 26,650 | 165 | 7.4 | 1.53 (1.31–1.80) | <0.001 |
Female | |||||
0 | 671,328 | 10,311 | 18.5 | Reference | |
1 | 668,745 | 11,017 | 19.8 | 1.13 (1.10–1.16) | <0.001 |
2 | 450,434 | 7767 | 20.7 | 1.23 (1.19–1.27) | <0.001 |
3 | 257,578 | 4490 | 20.9 | 1.27 (1.23–1.32) | <0.001 |
4 | 112,869 | 2027 | 21.5 | 1.33 (1.27–1.40) | <0.001 |
5 | 28,523 | 545 | 22.9 | 1.43 (1.31–1.56) | <0.001 |
RR, relative risk; CI, confidence interval. * Adjusted for age and body mass index.