Table II.
Mean ± SD of thyroid volumes by sex and prevalence of goitre based on age and body surface area (BSA) in 5 cities in Egyptian South Sinai schoolchildren
| City | Males | Females | Total both sexes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Thyroid volume [ml] | Number of | Total | n | Thyroid volume [ml] | Number of | Total | ||||
| goitres by age | goitres by BSA | goitres by age | goitres by BSA | ||||||||
| T | 88 | 3.1 ±2.0 | 8 | 13 | 13 (14.7%) | 124 | 2.4 ±1.2 | 8 | 6 | 8 (6.5%) | 21/212 (9.9%) |
| R | 84 | 2.7 ±1.2 | 9 | 15 | 15 (17.9%) | 100 | 3.1 ±1.6 | 14 | 15 | 15 (15%) | 30/184 (16.3%) |
| S | 67 | 3.6 ±1.4 | 13 | 14 | 14 (20.9%) | 68 | 4.1 ±1.6 | 11 | 13 | 13 (19.1%) | 27/135 (20.0%) |
| SK | 33 | 1.7 ±0.8 | 3 | 3 | 3 (9.1%) | 24 | 1.6 ±0.8 | 1 | 3 | 3 (12.5%) | 6/57 (10.5%) |
| N | 66 | 2.3 ±1.1 | 5 | 6 | 6 (9.1%) | 64 | 2.8 ±2.1 | 4 | 8 | 8 (12.5%) | 14/130 (10.8%) |
| Total | 338 | 3.5 ±1.9 | 38 | 51 | 51 (15.1%) | 380 | 3.2 ±1.9 | 38 | 45 | 47 (12.4%) | 98/718 (13.6%) |
T (El Tur), R (Abu Redis), S (Ras Sudr), SK (Saint Katherine), N (Nwebaa)