Musical Rhythms Affect Heart Rate Variability: Algorithm and Models

Table 3

Statistical P values for epochs and rhythms.

(a) SDNN

	Epoch	Pairwise
		L1-L2	L2-L3	L3-L4	L1–L3	L2–L4	L1–L4	L1~L4
	E1	1.00	1.00	1.00	1.00	1.00	1.00	0.57
	E2	0.40	0.40	0.63	1.00	1.00	1.00	0.15
	E3	1.00	1.00	1.00	0.96	1.00	1.00	0.47
	E4	1.00	1.00	1.00	1.00	1.00	1.00	0.77
	C1	0.64	1.00	1.00	1.00	1.00	0.55	0.26
	C2	0.14	0.14	0.14	1.00	1.00	0.14	0.01	**
	Rhythm	Pairwise
		E1-E2	E2-E3	E3-E4	E1–E3	E2–E4	E1–E4	E1~E4		C1-C2
	L1	0.75	0.75	0.94	0.09	0.75	0.07	0.02	*	0.34
	L2	0.02	0.19	1.00	1.00	0.27	1.00	0.07	.	0.12
	L3	1.00	1.00	1.00	1.00	1.00	1.00	0.60		0.41
	L4	1.00	1.00	1.00	1.00	0.53	1.00	0.40		0.40

(b) LF/HF

	Epoch	Pairwise
		L1-L2	L2-L3	L3-L4	L1–L3	L2–L4	L1–L4	L1~L4
	E1	1.00	0.09	0.36	0.97	1.00	1.00	0.41
	E2	1.00	1.00	1.00	1.00	1.00	1.00	0.77
	E3	1.00	1.00	1.00	1.00	1.00	1.00	0.78
	E4	1.00	1.00	1.00	1.00	1.00	1.00	0.44
	C1	1.00	1.00	1.00	1.00	1.00	1.00	0.80
	C2	1.00	0.66	1.00	1.00	1.00	1.00	0.54
	Rhythm	Pairwise
		E1-E2	E2-E3	E3-E4	E1–E3	E2–E4	E1–E4	E1E4		C1-C2
	L1	1.00	1.00	1.00	1.00	1.00	1.00	0.87		0.90
	L2	0.27	0.74	0.07	1.00	1.00	0.27	0.09	.	0.55
	L3	0.42	1.00	0.45	0.82	0.14	1.00	0.12		0.03	*
	L4	1.00	1.00	0.92	1.00	1.00	0.92	0.23		0.50

The values of HRV measures in C1 are the comparisons (differences) of values of HRV measures in epochs E1 and E3.
The values of HRV measures in C2 are the comparisons (differences) of values of HRV measures in epochs E2 and E4.
L1-L2: drum loops 1 and 2; L1~L4: drum loops 1 to 4.
Significant codes: 0 “***” 0.001 “**” 0.01 “*” 0.05 “^.” 0.1 “  ” 1.