Table 4 Confusion Assessment Method (CAM) score
Group M (No. = 90) | Group R (No. = 90) | Chi-square | ||||
|---|---|---|---|---|---|---|
No. | % | No. | % | χ2 | P value | |
CAM 0 (preoperative) | 0 | 0.0 | 0 | 0.0 | 0.000 | 1.000 |
CAM 1 (1st day) | 11 | 12.2 | 7 | 7.8 | 0.988 | 0.320 |
CAM 2 (2nd day) | 10 | 11.1 | 5 | 5.6 | 1.818 | 0.178 |
CAM 3 (3rd day) | 4 | 4.4 | 2 | 2.2 | 0.690 | 0.406 |
CAM 7 (7th day) | 0 | 0.0 | 0 | 0.0 | 0.000 | 1.000 |
Total CAM | 25 | 27.8 | 14 | 15.6 | 3.961 | 0.047* |