Effect of cardiac rehabilitation care after coronary intervention on cardiac function recovery and negative mood in patients with myocardial infarction

Table 6 Comparison of the incidence of non-cardiac adverse events between the two groups

Group	n	Angina pectoris (%)	Arrhythmia (%)	Heart failure (%)	Incidence (%)
Observation group	90	4 (4.44)	3 (3.33)	2 (2.22)	9 (10)
Control group	90	6 (6.67)	6 (6.67)	4 (4.44)	16 (17.7)a

^aP < 0.05 compared with the control group.

χ² = 3.855, P = 0.039.