| Withdrawals (N = 16) | No withdrawals (N = 58) | P valuea |
---|---|---|---|
Any errors | Â | Â | Â |
 Yes | 15 (93.8) | 36 (62.1) | 0.016 |
 No | 1 (6.2) | 22 (37.9) | |
Any difficulties | Â | Â | Â |
 Yes | 12 (75.0) | 34 (58.6) | 0.262 |
 No | 4 (25.0) | 24 (41.4) | |
Required assistance | Â | Â | Â |
 Yes | 15 (93.8) | 42 (72.4) | 0.097 |
 No | 1 (6.3) | 16 (27.6) | |
Total | Â | Â | Â |