Research Article

Mathematical Analysis of the Healthcare Treatment of 215 Patients with Coronary Heart Disease

Table 4

Results of linear regression analysis between age and performance grade ().

Nonstandardized coefficientNormalization coefficientVIFAdjust
Standard errorBeta

Constant0.5640.362—1.5570.121—0.0800.076,
Age0.0240.0050.2834.313<0.0011.000

Dependent variable: cardiac function classification. D-W value: 1.821. and .