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

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

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