TABLE 2.

Pairwise comparison of ABR & DPOAE threshold shift, 1 month post final dose

	Cis Only Vs Water		Cis Only Vs Ear Bar		Water Vs. Ear Bar
ABR	Difference (SE)	95% CI	Difference (SE)	95% CI	Difference (SE)	95% CI
8 kHz	19.1 (6.5)	5.4–32.8	14.8 (6.5)	1.05–28.4	−4.3 (5.7)	−16.4–7.6
12 kHz	33.6 (8.6)	15.4–51.8	28.0 (8.6)	9.9–46.2	−5.6 (7.5)	−21.5–10.3
20 kHz	41.3 (8.6)	23.0–59.5	33.75 (8.6)	15.5–52.0	−7.5 (7.6)	−23.5–8.50
24 kHz	34.1 (7.3)	18.7–49.5	35.4 (7.3)	19.9–50.8	1.2 (6.4)	−12.3–14.8
32 kHz	25.9 (8.5)	7.9–43.8	29.6 (8.5)	11.7–47.6	3.7 (7.5)	−11.9–19.5
DPOAE
8 kHz	28.0 (8.6)	9.7–46.2	21.12	2.8–39.3	−6.8 (7.6)	−22.8–9.1
12 kHz	24.0 (7.1)	8.8–39.1	16.5 (7.1)	1.3–31.6	−7.5 (6.3)	−20.7–5.7
20 kHz	23.1 (6.5)	9.4–36.7	23.1 (6.5)	9.4–36.7	0.0 (5.7)	−11.9–11.9
24 kHz	25.1 (6.1)	12.1–38.0	22.6 (6.1)	9.6–35.5	−2.5 (5.4)	−13.8–8.8
32 kHz	13.3 (7.4)	−2.3–28.8	11.4 (7.4)	−4.1–26.9	−1.8 (6.4)	−15.5–11.7

ABR indicates auditory brainstem response; DPOAE, distortion product otoacoustic emissions.