Effects of nursing team communication and collaboration on treatment outcomes in intensive care unit patients with severe pneumonia

Table 4 Comparison of serum inflammatory factor levels before treatment, mean ± SD

Group	Time	CRP (mg/L)	PCT (ng/mL)
Test group	Before treatment	41.98 ± 4.45	2.43 ± 0.81
	After treatment	40.29 ± 3.38	2.46 ± 0.64
Control group	Before treatment	41.83 ± 2.07	1.16 ± 0.5
	After treatment	29.53 ± 5.03	2.40 ± 0.48
t/P (before and after treatment)		0.163/0.871	0.451/0.654
t/P (before and after treatment)		9.732/< 0.01	7.259/< 0.01

CRP: C-reactive protein; PCT: Procalcitonin.