Table 6.

Comparison of complications and incision healing between both groups (n, %)

Groups	Incision healing	Perioperative complications
		Arrhythmia	Incision infection	Pulmonary infection	Urinary infection
Observation group (n=75)	73 (97.33)	0 (0.00)	0 (0.00)	1 (1.33)	1 (1.33)
Control group (n=75)	65 (86.67)	2 (2.67)	2 (2.67)	3 (4.00)	2 (2.67)
χ2	5.797	4.807
P	0.016	0.028

Note: χ²: statistical value of chi-square test.