Table 3: Stepwise multiple regression analysis of risk factors for low bone mass in treatment-naïve patients.

t P (<0.05)
Lumbar BMD Smoking 1.50690 0.14437
Age -2.09502 0.00680
P 2.04948 0.05105
AST 3.48126 0.00185
ALT 2.63861 0.01412
Femoral BMD Age -4.13423 0.00031
AST 3.749325 0.00086
ALT 2.85756 0.00812

P: Serum phosphorus, AST: Aspartate transaminase, ALT: Alanine aminotransferase.