Table 3 O-VEMP parameters among the control, DM, and DPN groups
|  | O-VEMP | Control n = 30 | DPN n = 30 | DM n = 30 | P value |
|---|---|---|---|---|---|
RT Ear | N1 (ms) | 10–12.73 10.9 ± 0.8 | 10.31–15.05 11.8 ± 1.3 | 10.05–13.66 11.6 ± 1.0 | P1 = 0.392 P2 = 0.025* P3 = 0.002** |
P1 (ms) | 15–18.64 16.3 ± 0.8 | 15.43–20.11 16.9 ± 1.2 | 15.33–18.32 16.7 ± 0.9 | P1 = 0.493 P2 = 0.014* P3 = 0.012* | |
Amplitude (μV) | 5.56–13.76 8.8 ± 1.9 | 1.55–10.98 5.0 ± 3.1 | 2.06–12.97 7.8 ± 2.8 | P1 = 0.001** P2 = 0.156 P3 = 0.001** | |
LT Ear | N1 (ms) | 10.3–12.6 11.1 ± 0.6 | 10.7–18.5 12.7 ± 2.1 | 10.5–15.0 11.6 ± 1.1 | P1 = 0.003** P2 = 0.013* P3 = 0.001** |
P1 (ms) | 15.0–17.9 16.2 ± 0.8 | 15.1–20.1 17.4 ± 1.4 | 15.3–19.1 16.9 ± 1.0 | P1 = 0.091 P2 = 0.016* P3 = 0.001** | |
Amplitude (μV) | 5.1–13.0 9.1 ± 2.2 | 1.5–11.1 5.4 ± 3.4 | 2.8–12.0 8.1 ± 2.9 | P1 = 0.001** P2 = 0.184 P3 = 0001** | |
Asymmetry ratio (AR) (%) | 0.01–0.22 0.09 ± 0.05 | 0.02–0.72 0.2 ± 0.2 | 0.01–0.22 0.1 ± 0.1 | P = 0.001** P1 = 0.001** P2 = 0.887 P3 = 0.001** |