Table 3. Comparison of clinical efficacies between levofloxacin 750 mg group and 500 mg group at the end of the treatment.

Data set	750 mg group	500 mg group	OR value (95% CI)	Difference in clinically effective rate and 95% CI	P value
ITT	91.40% (202/221)	94.27% (214/227)	0.646 (0.311, 1.342)	−2.87 (−7.64, 1.90)	0.2449
PPS	93.75% (195/208)	95.89% (210/219)	0.643 (0.269, 1.537)	−2.14 (−6.35, 2.07)	0.3542

Non-inferiority test for both ITT and PPS P value <0.001. ITT, intent-to-treat; PPS, per-protocol set.