Table 1 Demographic baseline of OP group and non-OP group

Current age (yrs)

66.5 ± 8.5*

62.4 ± 7.8

Age at menarche (yrs)

12.4 ± 3.5

12.5 ± 4.1

Age at menopause (yrs)

43.3 ± 5.3

45.2 ± 4.7

Current height (m)

1.52 ± 0.21*

1.59 ± 0.25

Current weight (kg)

54.5 ± 5.6

53.6 ± 4.