Table 3.

HRV parameters for 34 patients with complete, analyzable data

HRV parameter: Mean (SD)	Rest	Music
HR—BPM	102.4 (20.4)	104.5 (15.3)
SDNN	55.5 (21.4)	51.1 (19.1)
Total power	762.7 (183.4)	747.3 (158.0)
Very low frequency (VLF)	147.8 (97.7)	144.8 (63.7)
Low frequency (LF)	444.1 (166)	471.3 (120.2)
High frequency (HF)*	184.3 (106.1)	146.7 (74.8)

^*Using nonparametric sign test, p = 0.002.

BPM indicates beats per minute; HR, heart rate; HRV, heart rate variability; SDNN, standard deviation of the interbeat interval of the ECG.