Analysis of the PvuII and XbaI polymorphisms in the estrogen receptor alpha gene in girls with central precocious puberty: a pilot study

Table 2 Mean, standard deviation, and frequency distribution (%) of the participants’ characteristics

	Control group (n = 101)	Study group (n = 73)	p
Ethnicity
Caucasian - n (%)	25 (24.75)	16 (21.9)	0.69
Non-Caucasian - n, %	75 (74.25)	57 (78.1)	0.69
Family history^a - n, %	19 (18.81)	18 (24.65)	0.34
Mother’s menarche (months) - mean ± SD	149.1 ± 16.78	143.1 ± 17.23	0.43
BMI - mean ± SD	20.9 ± 3.67	21.2 ± 4.99	0.85

^afamily history of precocious puberty, n number of participants, SD standard deviation

ISSN: 1471-2350