Table 5.

Dichotic digits test results for the exposed and control groups.

TEST	Exposed			Control
	Mean	SD	95% CI	Mean	SD	95% CI
RE DDT	94.5	1.4	91.76–97.28	99.46	0.39	98.70–100.00
LE DDT	93.9	1.6	90.67–97.07	98.75	0.51	97.75–99.75
BI DDT	94.2	1.4	91.43–96.95	99.11	0.40	98.32–99.90

Legend: CI = confidence interval; SD = standard deviation; DDT = dichotic digits test; RE = right ear; LE = left ear; BI = binaural.