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Comparison of Montreal Cognitive Assessment score between the two groups.
| Time-point | DEX group (n=53) | Saline group (n=53) | P-value |
|---|---|---|---|
| 1 day preoperative | 27.65±0.65 | 27.57±0.81 | 0.560 |
| 6 h postoperative | 25.48±1.45 | 23.17±2.80 | <0.001 |
| 1 day postoperative | 26.83±0.64 | 24.34±2.50 | <0.001 |
| 3 days postoperative | 26.24±1.43 | 27.63±0.49 | 0.099 |
| 7 days postoperative | 27.83±0.42 | 27.77±0.54 | 0.526 |
Values are expressed as the mean ± standard deviation. DEX, dexmedetomidine.
