Effect of a 6-week and 12-week cardiac rehabilitation program on heart rate recovery

The Egyptian Heart Journal

Table 3 Delta change in each program at the end of the program and comparing the magnitude of change between both programs

Variable	Delta change for 6-week program (n = 30)	Comparing paired results in the 6-week program, p value	Delta change for 12-week program (n = 30)	Comparing paired results in the 12-week program, p value	Comparing both programs for magnitude of change, p value
Lipid profile
Total cholesterol, mg/dl	− 30.43 ± 34.98	< 0.001	− 34.27 ± 25.97	< 0.001	0.623
LDL-C, mg/dl	− 31.26 ± 12.56	< 0.001	− 36.47 ± 27.52	< 0.001	0.349
HDL-C, mg/dl	2.94 ± 3.04	0.316	6.87 ± 3.65	< 0.001	< 0.001
Triglycerides, mg/dl	− 25.77 ± 32	0.012	− 28.57 ± 35.45	< 0.001	0.749
Exercise test and echocardiographic parameters
METs achieved	1.61 ± 1.12	0.001	2.27 ± 0.44	< 0.001	0.003
Exercise time, min	1.13 ± 1.62	0.001	2.66 ± 0.73	< 0.001	< 0.0001
Peak heart rate, bpm	9.97 ± 12.69	0.669	15.90 ± 20.49	< 0.001	0.183
Resting heart rate, bpm	− 7.80 ± 8.31	0.055	− 12.17 ± 5.79	< 0.001	0.021
Heart rate recovery, bpm	11.57 ± 5.16	< 0.001	10.10 ± 4.87	< 0.001	0.026
LVEF, %	6.55 ± 6.33	< 0.001	8.07 ± 5.05	< 0.001	0.308

Continuous variables are expressed as mean and standard deviation
LDL-C low density lipoprotein cholesterol, HDL-C high density lipoprotein cholesterol, METs metabolic equivalent of task, LVEF means left ventricular ejection fraction