Table 1: Baseline characteristics.
| Group A (n=36) | Group B (n=15) | Total (n=51) | |
|---|---|---|---|
| Male, n (%) | 19 (52.8) | 9 (60.0) | 28 (54.9) |
| Female, n (%) | 17 (47.2) | 6 (40.0) | 23 (45.1) |
| Mean age, years (SD) | 6.3 (1.5) | 5.9 (1.2) | 6.2 (1.5) |
| Mean height, cm (SD) | 107.7 (8.7)* | 105.8 (7.5)† | 107.1 (8.3)‡ |
| Mean Ht-SDS (SD) | -2.4 (0.4)* | -2.2 (0.3)† | -2.3 (0.3)‡ |
| Mean weight, kg (SD) | 17.8 (3.1)* | 16.3 (2.8)† | 17.4 (3.0)‡ |
| Male – mean testicular volume§, mL (SD) [n] | 2.1 (1.3) [19] | 1.7 (1.0) [9] | 2.0 (1.2) [28] |
| Female – breast development stage§ 1, n (%) | 17 (100) | 6 (100) | 23 (100) |
| Mean IGF-1, ng/mL (SD) | 135.9 (64.1) | 111.0 (33.3) | 128.6 (57.6) |
| Mean IGFBP-3, μg/mL (SD) | 3.5 (0.9) | 3.2 (0.5) | 3.4 (0.8) |
Based on the full analysis set. *n=32, †n=15, ‡n=47.
§ Pubertal stage (Tanner)
Ht-SDS = height standard deviation score; IGF-1 = insulin-like growth factor 1; IGFBP-3 = insulin-like growth factor-binding protein 3; SD = standard deviation.