Table 2.
Incidence of subclinical hypothyroidism and subclinical hyperthyroidism on different genders according to age.
| 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 | 97.83% (45) | 97.53% (670) | 97.71% (2641) | 97.43% (2690) | 96.03% (1500) | 91.60% (338) | 88.99% (97) | 96.89% (7981) |
| Subclinical hypothyroidism# | 2.17% (1) | 2.04% (14) | 2.11% (57) | 2.39% (66) | 3.52% (55) | 8.40% (31) | 10.09% (11) | 2.85% (235) |
| Subclinical hyperthyroidism# | 0.00% (0) | 0.44% (3) | 0.18% (5) | 0.18% (5) | 0.45% (7) | 0.00% (0) | 0.92% (1) | 0.25% (21) |
|
| ||||||||
| Female | ||||||||
| Euthyroidism | 90.00% (45) | 94.49% (480) | 92.18% (1474) | 89.25% (1428) | 84.77% (824) | 85.26% (295) | 89.71% (61) | 89.58% (4607) |
| Subclinical hypothyroidism# | 10.00% (5) | 5.51% (28) | 7.19% (115) | 9.81% (157) | 13.99% (136) | 13.87% (48) | 8.82% (6) | 9.62% (495) |
| Subclinical hyperthyroidism# | 0.00% (0) | 0.00% (0) | 0.63% (10) | 0.94% (15) | 1.23% (12) | 0.87% (3) | 1.47% (1) | 0.80% (41) |
|
| ||||||||
| Chi-squared value ^ | ||||||||
| Subclinical hypothyroidism# | 2.504 | 10.296∗∗ | 68.193∗∗ | 116.481∗∗ | 95.568∗∗ | 5.637∗ | 0.71 | 284.382∗∗ |
| Subclinical hyperthyroidism# | — | 2.145 | 6.177∗ | 14.249∗∗ | 6.302∗ | 3.419 | 0.108 | 23.148∗∗ |
| Total | 2.504 | 12.536∗∗ | 73.723∗∗ | 128.940∗∗ | 100.369∗∗ | 8.849∗ | 0.186 | 304.206∗∗ |
#Subclinical hypothyroidism defined as TSH > 5.0 μlU/mL, subclinical hyperthyroidism defined as TSH ≤ 0.3 μlU/mL. ^Comparing the incidence of subclinical hypothyroidism and/or subclinical hyperthyroidism between males and females by Chi-squared method. ∗P < 0.05 and ∗∗P < 0.01.