Table 1 Physical characteristics of the study population
From: Factors affecting bone maturation in Chinese girls aged 4–8 years with isolated premature thelarche
Advanced BA group | Control group | p-value | |
|---|---|---|---|
Number of girls | 206 (48.7%) | 217 (51.3%) | - |
Chronological age (years) | 7.56 (6.90, 7.95) | 7.72 (7.06, 8.04) | 0.189 |
Disease duration (years) | 0.50 (0.25, 1.00) | 0.33 (0.25, 0.75) | 0.029 |
Age at onset (years) | 6.86 (6.12, 7.41) | 7.13 (6.37, 7.60) | 0.082 |
Height-for-age (cm) | 130.77 ± 6.28 | 126.76 ± 7.14 | < 0.001 |
Height-for-age SDS | 1.16 ± 0.86 | 0.36 ± 0.88 | < 0.001 |
Height-for-BA SDS | -1.45 ± 0.72 | -0.79 ± 0.95 | < 0.001 |
Genetic target height SDS | -0.48 ± 0.80 | -0.64 ± 1.39 | 0.165 |
HtBA SDS - THt SDS | -0.97 ± 0.80 | -0.16 ± 1.42 | < 0.001 |
Weight-for-age (kg) | 30.06 ± 5.90 | 26.58 ± 4.93 | < 0.001 |
Weight-for-age SDS | 1.46 ± 1.05 | 0.64 ± 0.96 | < 0.001 |
BMI | 17.45 ± 2.39 | 16.44 ± 2.06 | < 0.001 |
BMI SDS | 1.16 ± 1.10 | 0.64 ± 1.07 | < 0.001 |
Breast Tanner stage | 0.083 | ||
2 | 137 (32.4%) | 161 (38.1%) | |
3 | 69 (16.3%) | 56 (13.2%) | |
Birth weight (kg) | 3.25 ± 0.40 | 3.24 ± 0.42 | 0.762 |