The Role of Deep Learning-Based Echocardiography in the Diagnosis and Evaluation of the Effects of Routine Anti-Heart-Failure Western Medicines in Elderly Patients with Acute Left Heart Failure

Table 1

Rehospitalization rate and mortality rate of patients from the two groups.

	Number of cases	Rehospitalization rate (%)	Mortality rate (%)
Control group	40	5	6
Observation group	40	3	4
x^2 value		0.039	0.972
value		>0.05	>0.05