Table 2 Mean ± Standard deviation (minimum-maximum) of the analysis of HRV in geometric indexes in comparison with the control group and Baroque music with heavy metal music

13.3 ± 5 (4.2-23.1)

13.1 ± 4 (4–21.3)

13.5 ± 3 (5.7-16.2)

13.2 ± 3 (4.1-20.4)

11.3 ± 3 (5.67-17.2)*

0.04

235.4 ± 83 (65–365)

231.2 ± 80 (61–355)

241.7 ± 61 (85–305)

233.1 ± 81 (62–361)

202.1 ± 56 (75–260)

0.07

21.2 ± 9 (4.8-31.4)

20.3 ± 8 (4.3-30.3)

21.2 ± 8 (6.1-33.3)

20.9 ± 9 (4.1-29.2)

20.5 ± 10 (5.5-36.1)

0.09

69.4 ± 21 (21–97.7)

69.3 ± 19 (20–99.8)

70.3 ± 17 (27–85.9)

68.1 ± 21 (19–98.9)

59 ± 15 (24.7-82.4)*

0.03

0.29 ± 0.11 (0.11-0.53)

0.28 ± 0.12 (0.11-0.52)

0.28 ± 0.16 (0.01-0.68)

0.29 ± 0.1 (0.12-0.51)

0.34 ± 0.18 (0.14-0.82)

0.076