[Retracted] Quality Care Alleviates Behavioral Cognitive Impairment and Reduces Complications in Elderly Patients with Cardiovascular and Cerebrovascular Diseases

Table 3

Comparisons of complications in two groups before and after intervention.

Groups	Arrhythmia	Stroke	Increased serum creatinine	Total incidence
Control group(n = 37)	4	3	4	11 (29.72)
Observation group (n = 37)	1	1	2	4 (10.81)
value	<0.05	<0.05	<0.05	<0.05
t value	3.41	3.79	4.22	5.14