Table 2.

Comparison of 25(OH)D3, CRP and TNF-α levels between the two groups

Variables	Osteoporosis group n = 77	Control Group n = 45	t/X2	P
25(OH)D3 (ng/mL)	16.85±2.03	21.26±2.2	11.22	< 0.001
CRP (mg/L)	6.87±1.99	4.03±1.5	8.290	< 0.001
TNF-α (pg/mL)	7.65±2.37	4.79±1.5	7.281	< 0.001

Note: 25(OH)D3: 25-hydroxyvitamin D3, CRP: C-reactive protein, TNF-α: tumor necrosis factor-α.