Skip to main content
. 2019 Dec 18;7(12):e15785. doi: 10.2196/15785

Table 4.

Paired t test for experimental and control group heart rate variability score comparison.

Group HRVa difference
Mean (SD) t test (df) P value
Experimental –3.661 (7) <.001

Pre 27.78 (6.495)


Post 73.72 (13.775)

Control –3.158 (12) .002

Pre 32.20 (5.164)


Post 47.16 (19.893)

aHRV: heart rate variability.