Table 3.

Bone turnover markers and hormonal variables by gender

Variable	Mean ± SD	Range	Normal range
Females (n=18)
NTx (nmol/mmol Cr)	55.3±27.6	26.0–127.0	10–65
BSAP (ng/ml)	12.7±3.7	6.7–22.0	2–24
DHEA-S (μg/dl)	142.6±155.8	10.2–545.1	183–283
Total testosterone (ng/dl)	20.7±7.9	3.0–31.0	10–55
Estradiol (pg/ml)	9.5±9.0	0.50–27.0	30–100
IGF-I (ng/ml)	216.3±69.6	142–399	217–589
Males (n=14)
NTx (nmol/mmol Cr)	109.2±89.2	14–304	10–65
BSAP (ng/ml)	30.2±15.6	13–62	2–24
DHEA-S (μg/dl)	209.9±97.0	53–365	120–370
Testosterone (ng/dl)	423.4±137.4	254–676	350–1030
Estradiol (pg/ml)	2.0±0.76	0.8–3.0	0.8–3.5
IGF-I (ng/ml)	270.5±106.1	116–440	257–601