Table 9. Postoperative differences between arrhythmias and total cardiac complications versus respiratory complications (second meta-analysis).

Complications	N	Mean (SD)	Median (IQR)	P value*
Respiratory complications	24	3.9 (4.7)	2.0 (1.0, 4.5)
Arrhythmias	24	4.8 (7.0)	2.5 (1.0, 5.0)	0.741**
Total cardiac	24	5.3 (7.0)	3.0 (1.0, 6.5)	0.593**

*, Wilcoxon test; **, vs. respiratory complications.