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Frequency of goiter and nodules stratified by sex.
| Ultrasound analysis | Female (n=1769) | Male (n=1608) | Total (n=3377) | P value¶ |
|---|---|---|---|---|
| Goiter | 328 (18.5%) | 420 (26.1%) | 748 (22.1%) | < 0.001 |
| Nodules | 341 (19.2%) | 247 (15.4%) | 588 (17.4%) | 0.002 |
| Solitary nodule | 142 (8.0%) | 90 (5.6%) | 232 (6.9%) | 0.002 |
| Two or more nodules | 199 (11.2%) | 157 (9.8%) | 356 (10.5%) | ns |
Data show the number of patients in each group, with percentages in parentheses
Female vs. men (Fisher's exact test).
