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Table 2 Comparison of cardiac function indicators between the two groups of patients before and after treatment (± SD)

From: Effect of enhanced external counterpulsation on the rehabilitation of patients with acute myocardial infarction after drug-coated balloon-based percutaneous coronary intervention

Indicators

Groups

Before treatment

One month after treatment

Three months after treatment

Six months after treatment

P value

CO (L/min)

Control group

4.19 ± 0.44

4.38 ± 0.51

4.52 ± 0.55

4.64 ± 0.58

< 0.001*

 

Rehabilitation group

4.18 ± 0.40

4.57 ± 0.53

4.82 ± 0.61

5.00 ± 0.67

< 0.001*

P value

 

0.925

0.162

0.045

0.023

 

SV (ml)

Control group

59.42 ± 5.44

62.13 ± 5.78

64.25 ± 5.92

65.57 ± 6.10

< 0.001*

 

Rehabilitation group

59.27 ± 4.47

64.81 ± 5.12

68.37 ± 4.86

70.53 ± 3.33

< 0.001*

P value

 

0.906

0.061

0.004

< 0.001

 

LVEF (%)

Control group

55.27 ± 2.63

57.42 ± 2.81

59.18 ± 2.87

60.10 ± 2.92

< 0.001*

 

Rehabilitation group

55.03 ± 2.71

59.75 ± 3.42

63.21 ± 4.01

65.57 ± 4.33

< 0.001*

P value

 

0.731

0.005

< 0.001

< 0.001

 
  1. *Intra-group comparison at different time points