Table 3.
Gender ratio (number of males/number of females) and prevalence of thyroid autoantibodies in men and women aged 20–50 years stratified by adequate/excessive iodine area and gender, Hebei Province, People’s Republic of China, 2010
| TgAb | TPOAb | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Males | Females | Males | Females | ||||||
| Gender ratio (male/female) | % | n | % | n | % | n | % | n | |
| AIA | 112/236 | 3·6 | 4 | 22·0 | 52 | 10·7 | 12 | 25·4 | 60 |
| EIA | 185/321 | 5·4 | 10 | 15·6 | 50 | 10·8 | 20 | 19·6 | 63 |
| Comparison: AIA v. EIA | Fisher: P=0·084 | Fisher: P=0·124 | |||||||
| Comparison: males v. females | Fisher: P=4·3×10−9 | Fisher: P=3·6×10−5 | |||||||
TgAb, thyroglobulin antibody; TPOAb, thyroperoxidase antibody; AIA, adequate iodine area; EIA, excessive iodine area; Fisher, Fisher’s exact test.