Table 1. Subject characteristics and bone and biochemical parameters of 169 postmenopausal women.

Detected parameters	Postmenopausal women
Age/years	57.0±6.3
Years since menopause	7.7±6.4
Height/cm	155.6±5.0
Body weight/kg	53.5±4.8
BMI/(kg·m−2)	22.1±1.4
BMD (g·cm−2)
Lumbar spine	0.884±0.135
Total hip	0.837±0.112
Femoral neck	0.734±0.098
GDF11/(ng·mL−1)	5.92±2.52
Estradiol/(pg·mL−1)	155.8±95.7
25-hydroxyvitamin D/(ng·mL−1)	33.0±8.0
PTH/(pg·mL−1)	41.1±24.2
BAP/(U·L−1)	28.2±11.2
NTX/(nmol·L−1)	18.8±9.9

BMD, bone mineral density; BMI, body mass index; GDF11, growth differentiation factor 11; PTH, parathyroid hormone; BAP, bone alkaline phosphatase; NTX, cross-linked N-telopeptides of type I collagen.

Values are presented as mean±s.d.