Table 2.

Table showing pair wise comparison of three groups namely No music [Group I], Music of choice [Group II] and Binaural auditory beats [Group III] with baseline and post operative Venham's picture scale scores by Mann-Whitney U test.

Interval	Groups	No music		Music of choice		Binaural auditory beats
		Z-value	p-value	Z-value	p-value	Z-value	p-value
Baseline	Median	3.00		3.00		3.00
	IQR	2.00		1.00		2.00
	No music	–	–
	Music of choice	−0.9313	0.3517	–	–
	Binaural auditory beats	−0.2619	0.7934	0.6500	0.5157	–	–
Post operative	Median	3.00		1.00		1.00
	IQR	2.00		1.00		2.00
	No music	–	–
	Music of choice	3.8612	0.0001∗	–	–
	Binaural auditory beats	4.2395	0.0001∗	0.7567	0.4492	–	–
Difference	Median	0.00		2.00		2.00
	IQR	2.00		0.00		0.00
	No music	–	–
	Music of choice	−5.7432	0.0001∗	–	–
	Binaural auditory beats	−5.7432	0.0001∗	0.1940	0.8462	–	–

∗p < 0.05.