Table 4 Changes in attention ability before and after surgery
Sustained attention abnormality | Prior to surgery | At 6 months after surgery | P |
|---|---|---|---|
Visual, n (%) | Â | Â | <0.001 |
 Severe | 16 (32.7%) | 0 |  |
 Moderate | 3 (6.1%) | 0 |  |
 Mild | 2 (4.1%) | 0 |  |
 Suspect | 5 (10.2%) | 3 (6.1%) |  |
 No | 23 (46.9%) | 46 (93.9%) |  |
Auditory, n (%) | Â | Â | <0.001 |
 Severe | 36 (73.5%) | 12 (24.5%) |  |
 Moderate | 2 (4.1%) | 0 |  |
 Mild | 3 (6.1%) | 9 (18.4%) |  |
 Suspect | 0 | 0 |  |
 No | 8 (16.3%) | 28 (57.1%) |  |
Both auditory and visual, n (%) | Â | Â | <0.001 |
 Severe | 19 (38.8%) | 0 |  |
 Moderate | 5 (10.2%) | 1 (2.0%) |  |
 Mild | 5 (10.1%) | 8 (16.3%) |  |
 Suspect | 3 (6.1%) | 5 (10.2%) |  |
 No | 17 (34.7%) | 35 (71.4%) |  |