Comparison of Classification Algorithms with Wrapper-Based Feature Selection for Predicting Osteoporosis Outcome Based on Genetic Factors in a Taiwanese Women Population

Table 2

Demographic data for study subjects.

Factor	Range	Descriptive statistics
Age (year)	27–83	𝜇=56.38; 𝜎=10.37
Menopause	Postpremenopausal/; Prepremenopausal	247 (83.73%)/48 (16.27%)
BMI (kg/m^2)	17.22–35.49	𝜇=23.53; 𝜎=2.874
BMD	High/low	112 (37.97%)/183 (62.03%)

BMI: body mass index; BMD: bone mineral density.