[Retracted] Polymyxin B, Cefoperazone Sodium-Sulbactam Sodium, and Tigecycline against Multidrug-Resistant Acinetobacter baumannii Pneumonia

Table 2

Comparison of clinical efficacy (n, %).

	Excellent	Effective	Ineffective	Response rate
Observation group (n = 28)	8	14	6	22 (78.57%)
Experimental group (n = 28)	11	12	5	23 (82.14%)
χ^2				0.113
P				0.737