Observational Study
Copyright ©The Author(s) 2022.
World J Orthop. Feb 18, 2022; 13(2): 160-170
Published online Feb 18, 2022. doi: 10.5312/wjo.v13.i2.160
Table 9 Analysis between World Health Organization classification of lumbar spine bone mineral density and mean menopause age of female patients (n = 40)

n
Menopause age (mean ± SD)
P value1
Normal1547.2 ± 5.70.835
Osteopenia1546.1 ± 5.3
Severe osteoporosis1046.3 ± 6.1