Effect of Xuebijing injection on myocardium during cardiopulmonary bypass: A prospective, randomized, double blind trial

Table 2 Comparison of postoperative outcomes between the Xuebijing injection and control (saline) groups

	Saline group (n = 30)	XBJ group (n = 30)	P value
Ejection fraction (day 2)	42.2 ± 2.7	46.3 ± 3.7	0.001
Mechanical ventilation time (h)	10.5 ± 2.6	8.9 ± 1.7	0.006
Length of ICU stay (h)	31.6 ± 5.2	28.9 ± 4.4	0.034
Time from surgery to discharge (d)	12.5 ± 3.8	10.7 ± 2.6	0.032
ARDS (n)	3	4	0.687

Data are expressed as mean ± SD (normally distributed data) or median (interquartile range). Chi-square analysis was used for categorical variables, independent t test for normally distributed data. ARDS: acute respiratory distress syndrome; ICU: Intensive care unit; XBJ: Xuebijing injection.