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Comparison of cognitive impairment degree at 24 h after surgery.
| Cognitive impairment degree | DEX group, n (%) | Control group, n (%) | P-value |
|---|---|---|---|
| Mild cognitive impairment | 8 (13.6) | 15 (23.8) | 0.148 |
| Moderate cognitive impairment | 1 (1.7) | 2 (3.2) | 0.598 |
| Severe cognitive impairment | 0 (0.0) | 0 (0.0) | - |
DEX, dexmedetomidine.
