Vestibular evoked myogenic potentials and videonystagmography findings in type 2 diabetes mellitus patients with and without polyneuropathy

The Egyptian Journal of Otolaryngology

Table 2 c-VEMP parameters among the control, DM, and DPN groups

	cVEMP	Control n = 30	DM n = 30	DPN n = 30	P value
RT ear	P1 (ms)	13.03–15.36 14.0 ± 0.7	13.44–16.9 14.3 ± 1.0	13.54–18.43 14.4 ± 4.2	P₁ = 0.929 P₂ = 0.003 P₃ = 0.002
	N1 (ms)	22.33–24.21 23.5 ± 0.5	23.06–25.91 23.8 ± 0.6	23.06–27.56 23.1 ± 6.4	P₁ = 0.493 P₂ = 0.003 P₃ = 0.004
	Amplitude (μV)	215.5–325.8 278.0 ± 33.0	119.88–314.96 237.77 ± 54.98	0–297.06 175.2 ± 65.7	P₁ = 0.001 P₂ = 0.002 P₃ = 0.001**
LT ear	P1 (ms)	13.0–15.9 14.1 ± 0.8	13.5–17.1 14.3 ± 0.9	13.4–17.7 15.0 ± 1.3	P₁ = 0.790 P₂ = 0.004 P₃ = 0.002
	N1 (ms)	22.7–24.2 23.6 ± 0.4	23.0–26.1 24.7 ± 0.4	23.3–27.4 24.7 ± 1.3	P₁ = 0.001 P₂ = 0.002 P₃ = 0.001**
	Amplitude (μV)	209.9–315.7 277.7 ± 30.0	132.5–300.5 239.3 ± 59.0	95.9–300.7 178.5 ± 55.0	P₁ = 0.001 P₂ = 0.002 P₃ = 0.001**
Asymmetry ratio (AR)		0.01–0.2 0.05 ± 0.05	0–0.16 0.06 ± 0.04	0–1 0.11 ± 0.24	P₁ = 0.240 P₂ = 0.789 P₃ = 0.150