Table 3.

Post-hoc logistic regression analysis on 3rd month SFR

	SFR at 3rd month
Group	Log-odds	Odds	Probability
A	1.91	7.02	0.87
B	1.81	5.42	0.83
C	0.72	1.88	0.77

Group A: PCNL, Group B: MP, Group C: UMP, SFR: Stone-free rate