Postoperative audiovestibular assessment of obstructive sleep apnea patients

Table 2 Comparison between the two studied groups and the effect of treatment on OSAS group according to cVEMP

cVEMP	Cases (n = 30)				Control (n = 20)
	Pre-treatment		Post-treatment		Control (n = 20)
	No.	%	No.	%	No.	%
P1N1 response detection in percentage
Absent	6	20.0	6	20.0	0	0.0
Present	24	80.0	24	80.0	20	100.0
Sig. bet. grps.	^McNp₁ = 1.000, ^χ2p₂ = 0.069, ^χ2p₃0.069
P1 latency	(n = 24)		(n = 24)		(n = 20)
Min.-max.	8.64-23.60		8.27-24.80		11.16-15.10
Mean ± SD.	16.26 ± 4.37		14.94 ± 4.22		14.45 ± 0.99
Median	18.12		13.62		14.91
Sig. bet. grps.	^tpp₁ = 0.130, ^tp₂ = 0.060, ^tp₃ = 0.174
N1 latency	(n = 24)		(n = 24)		(n = 20)
Min.-max.	10.24-24.50		9.52-27.07		17.31-21.20
Mean ± SD.	21.19 ± 3.67		20.51 ± 4.07		19.63 ± 1.21
Median	22.40		19.96		19.60
Sig. bet. grps.	^tpp₁ = 0.558, ^tp₂ = 0.066, ^tp₃ = 0.334
P1-N1 amplitude	(n = 24)		(n = 24)		(n = 20)
Min.-max.	7.68-24.62		8.76-24.91		9.45-31.17
Mean ± SD.	15.75 ± 4.74		15.89 ± 4.05		21.37 ± 5.36
Median	16.84		16.23		21.40
Sig. bet. grps.	^tpp₁ = 0.867, ^tp₂ = 0.001, ^tp₃ < 0.001

Sig. bet. grps significance between groups, t_p paired t test, t Student’s t test, McN McNemar test, χ² chi-square test, p₁ p value for comparing between cases pre- and post-treatment, p₂ p value for comparing between cases at pre-treatment and control. p₃ p value for comparing between cases at post-treatment and control
*Statistically significant at p ≤ 0.05