Table 2.
Incidence of hypothyroidism and hyperthyroidism on different genders.
| Incidence (and case number count) in different age subgroups, years | ||||||||
|---|---|---|---|---|---|---|---|---|
| Age ≤ 25 | 25 ≤ age ≤ 35 | 35 age ≤ 45 | 45 ≤ age ≤ 55 | 55 ≤ age ≤ 65 | 65 ≤ age ≤ 75 | Age ≤ 75 | Total | |
| Male | ||||||||
| Euthyroidism | 173 (96.6%) | 2014 (98.4%) | 2572 (98.2%) | 2728 97.6%) | 1488 (94.7%) | 709 (94.3%) | 556 (92.5%) | 10240 (96.9%) |
| Hypothyroidism† | 5 (2.8%) | `18 (0.9%) | 34 (1.3%) | 56 (2.0%) | 69 (4.4%) | 40 (5.3%) | 42 (7.0%) | 264 (2.5%) |
| Hyperthyroidism† | 1 (0.6%) | 15 (0.7%) | 13 (0.5%) | 10 (0.4%) | 14 (0.9%) | 3 (0.4%) | 3 (0.5%) | 59 (0.6%) |
|
| ||||||||
| Female | ||||||||
| Euthyroidism | 284 (96.3%) | 1978 (96.4%) | 1848 (96.0%) | 1103 (89.5%) | 1987 (95.7%) | 464 (91.9%) | 320 (87.7%) | 7984 (94.5%) |
| Hypothyroidism† | 7 (2.3%) | 53 (2.6%) | 54 (2.8%) | 111 (9.0%) | 78 (3.8%) | 37 (7.3%) | 40 (11.0%) | 380 (4.5%) |
| Hyperthyroidism† | 4 (1.4%) | 20 (1.0%) | 22 (1.2%) | 19 (1.5%) | 12 (0.5%) | 4 (0.8%) | 5 (1.3%) | 86 (1.0%) |
|
| ||||||||
| Chi-square value‡ | ||||||||
| Hypothyroidism† | 0.080 | 17.488∗∗ | 13.287∗∗ | 38.465∗∗ | 6.202∗ | 2.117 | 4.609∗ | 57.254∗∗ |
| Hyperthyroidism† | 0.678 | 0.711 | 6.075∗ | 5.974∗ | 0.096 | 0.843 | 2.096 | 13.080∗∗ |
| Total | 0.751 | 18.289∗∗ | 19.587∗∗ | 44.887∗∗ | 6.336∗ | 3.013 | 6.883∗ | 71.251∗∗ |
∗ P < 0.05. ∗∗P < 0.01. †Hypothyroidism defined as TSH >5.5 mIU/mL and hyperthyroidism defined as TSH <0.35 mIU/mL. ‡Comparing the incidence of hypothyroidism and/or hyperthyroidism between males and females by the chi-squared method.