Table 2.
Incidence of POD and NRS scores after surgery in the ITT analysis.
| NS group (N = 120) | DEX group (N = 120) | P | |
|---|---|---|---|
| POD | |||
| T1 | 31 (25.8%) | 16 (13.3%) | 0.015 |
| T2 | 6 (5.0%) | 4 (3.3%) | 0.518 |
| T3 | 3 (2.5%) | 2 (1.7%) | 1.000 |
| Total | 36 (30.0%) | 20 (16.7%) | 0.015 |
| NRS | |||
| T1 | 2.0 (2.0–3.0) | 2.0 (2.0–3.0) | 0.239 |
| T2 | 1.0 (1.0–1.2) | 1.0 (1.0–1.0) | 0.356 |
| T3 | 1.0 (1.0–1.0) | 1.0 (1.0–1.0) | 0.418 |
ITT, intent-to-treat; POD, postoperative delirium; NS, normal saline; DEX, dexmedetomidine; NRS, numeric rating scale; T1, 1 day after surgery; T2, 2 days after surgery; T3, 3 days after surgery.