Table 2 Baseline characteristics in association with precocious puberty
From: Association between MKRN3 and LIN28B polymorphisms and precocious puberty
Girls (n = 103) | Boys (n = 70) | |||||
|---|---|---|---|---|---|---|
Prepuberty | Precocious puberty | P value | Prepuberty | Precocious puberty | P value | |
Age, n (%)a | 0.006 | < 0.0001 | ||||
7 years | 61 (89.7) | 7 (10.3) | 11 (47.8) | 12 (52.2) | ||
8 years | 35 (100.0) | 0 (0) | 14 (50.0) | 14 (50.0) | ||
9 years | 19 (100.0) | 0 (0) | ||||
BMI (kg/m2)b | 15.3 (14.7, 17.1) | 16.0 (15.1, 19.1) | 0.237 | 16.1 (15.2, 19.6) | 15.8 (14.6, 18.2) | 0.229 |
BMI z scoreb | −0.36 (−0.65, 0.48) | −0.07 (− 0.49, 1.37) | 0.237 | −0.33 (− 0.66, 0.97) | −0.42 (− 0.88, 0.52) | 0.308 |
Weight (kg)b | 24.3 (22.2, 27.6) | 26.7 (25.8, 30.9) | 0.057 | 27.5 (24.2, 35.1) | 25.9 (22.7, 31.6) | 0.073 |
Height (cm) | 124.7 (6.2) | 127.6 (3.4) | 0.217 | 130.8 (8.5) | 128.6 (6.4) | 0.273 |
Height SDS | −0.03 (1.0) | 0.45 (0.6) | 0.217 | 0.10 (1.1) | −0.17 (0.8) | 0.273 |
Tanner stagea | ||||||
I | 96 (93.2) | 44 (62.9) | ||||
II | 7 (6.8) | 21 (30.0) | ||||
III | 0 (0.0) | 5 (7.1) | ||||
Testes | < 0.0001 | |||||
I | 44 (74.6) | 15 (25.4) | ||||
II | 0 (0) | 10 (100.0) | ||||
III | 0 (0) | 1 (100.0) | ||||