Table 4.

Mean pure tone thresholds of Lassa fever survivors and controls.

Mean pure tone thresholds (dB ± SE)
Frequency (kHz)	Lassa (n = 10)	Fever (n = 15)	Control (n = 25)	p-valuea
0.25	27 ± 4	23 ± 4	27 ± 3	0.277
0.5	30 ± 5	21 ± 5	21 ± 2
	28 ± 3	24 ± 3	29 ± 2	0.237
1	33 ± 4	23 ± 6	22 ± 2
	21 ± 3	22 ± 3	26 ± 3	0.779
2	27 ± 4	21 ± 6	18 ± 2
	17 ± 4	17 ± 4	20 ± 3	0.727
	22 ± 4	22 ± 4	13 ± 1
4	19 ± 4	19 ± 4	22 ± 3	0.142
8	23 ± 5	23 ± 5	16 ± 2
	24 ± 3	24 ± 3	25 ± 3	0.545
	25 ± 6	25 ± 6	14 ± 2

Threshold values displayed with measurements from the left ear above the right ear.

^aOne way ANOVA.