Music therapy for pain and anxiety in patients after cardiac valve replacement: a randomized controlled clinical trial

Table 2 The baseline assessment of major study variables

Variables	Experimental group (n = 43)	Control group (n = 43)	t	P
Pain	7.46 ± 2.16	7.77 ± 2.02	0.687	0.494
Anxiety	55.88 ± 8.40	57.52 ± 7.98	0.928	0.356
Sleep quality^#	27.78 ± 19.66	30.05 ± 19.98	0.531	0.597
Vital signs
SBP	130.45 ± 12.36	131.60 ± 14.75	0.392	0.696
DBP	81.98 ± 6.58	82.71 ± 7.54	0.478	0.634
HR	86.82 ± 14.35	87.58 ± 13.93	0.249	0.804
RR	19.53 ± 2.65	20.21 ± 3.07	1.099	0.275

Data are presented as mean ± SD
SBP systolic blood pressure, DBP diastolic blood pressure, HR heart rate, RR respiratory rate
^#Average sleep quality score of preoperative 3 days

ISSN: 1471-2261