Effects of acetylcysteine on micro-inflammation and pulmonary ventilation in chronic obstructive pulmonary disease exacerbation

Table 2 The serum C-reactive protein level in the treatment and control groups

Group	CRP in serum (mg/L)			Mean difference (95%CI)	P value
	Baseline	End of treatment	Change
Treatment	32.6 ± 14.2	18.4 ± 9.6	-14.2 ± 8.4	(-12.6 to -4.2)	< 0.001
Control	31.8 ± 13.8	24.6 ± 11.2	-7.2 ± 7.6

CRP: C-reactive protein.