Table 2 Characteristics and TLD readings of contacts of patients treated with 131I
Characteristic | All family members (n = 99) | Contacts of thyrotoxic (n = 48) | Contacts of thyroid cancer (n = 51) | p value |
|---|---|---|---|---|
Age (years), mean ± SD | 11.9 ± 4.7 | 12.3 ± 4.2 | 11.4 ± 5.1 | 0.383 |
Gender, n (%) | ||||
Male | 47 (48.0) | 19 (39.6) | 28 (55.8) | |
Female | 52 (52.0) | 29 (60.4) | 23 (44.2) | 0.106 |
Contact relation to the patient, n (%) | ||||
Son/daughter | 70 (70.7) | 29 (60.4) | 41 (78.8) | 0.097 |
Sibling | 18 (18.2) | 12 (25.0) | 6 (11.5) | |
Others | 11 (11.1) | 7 (14.6) | 4 (7.7) | |
Direct education from RSO, n (%) | ||||
- Adolescents (age 12–18) (13 adolescents) | 13 adolescents (26%) | 7 adolescents (14.5) | 6 adolescents (11.8) | 0.882 |
- Mothers of children (17 mothers for 23 children ≤ 12 years) | 23 children (46.9% of children < 12 years) | 10 children (20.4%) | 13 children (26.5%) | |
CRE (uSv) | ||||
Mean ± SD | 284 ± 178 | 271 ± 175 | 296 ± 181 | |
Median | 215 | 208 | 234 | |
Q2–Q3 | 164–334 | 160–339 | 166–391 | 0.437 |
Range | 79–934 | 79–854 | 107–934 | |