Table 3 Incidence of any neurological symptoms with score ≥ 2 at day 6

Hearing loss; n (%)

9 (75%)

0 (0%)

0.0003

Focal neurological signs excluding hearing loss; n (%)

6 (50%)

0 (0%)

0.0137

Gait and posture abnormality; n (%)

8 (67%)

0 (0%)

0.0013

Involuntary motor movements; n (%)

9 (75%)

0 (0%)

0.0003

Neuromotor impairment; n (%)

2 (17%)

0 (0%)

0.4783