Clinical analysis of colistin sulfate in the treatment of pneumonia caused by carbapenem-resistant Gram-negative bacteria

Table 1 Comparison of white blood cell, procalcitonin, C-reactive protein levels in both group patients

Group	White blood cell (× 109/L)	Procalcitonin (μg/L)	C-reactive protein (mg/L)
Control Group (n = 26)
Before treatment	8.72 ± 2.36	2.58 ± 1.23	59.62 ± 25.03
After treatment	8.53 ± 1.52a	3.86 ± 0.22a	39.42 ± 12.87a
Treatment Group (n = 28)
Before treatment	10.42 ± 2.87	2.22 ± 0.67	57.66 ± 22.46
After treatment	6.25 ± 2.72a,b	0.54 ± 0.11a,b	29.54 ± 13.43a,b

^aP < 0.05, compared with before treatment.

^bP < 0.05, compared with after treatment of control group.