Table 2.
Postoperative clinical factors (factors related to cognitive decline after the onset of delirium).
| Trait | Postoperative delirium group (n = 45) | Non-delirium group (n = 75) | t/χ² | P |
|---|---|---|---|---|
| Postoperative chemotherapy | Yes: 30 (66.7%), No: 15 (33.3%) | Yes: 48 (64%), No: 27 (36%) | χ² = 0.567 | .452 |
| Postoperative radiation therapy | Yes: 18 (40%) | Yes: 28 (37.3%) | χ² = 0.941 | .332 |
| Cancer recurrence | Yes: 8 (17.8%) | Yes: 10 (13.3%) | χ² = 0.221 | .638 |
| Length of hospital stay (days) | 12.4 ± 2.3 | 9.8 ± 1.9 | 6.81 | <.031 |
| Pain score | 6.3 ± 1.2 | 4.8 ± 1.0 | 5.27 | <.028 |
| Psychological score | 15.2 ± 3.4 | 10.5 ± 2.7 | 7.49 | <.001 |
| Postoperative complications | – | – | – | – |
| Infection rate (%) | 3% | 1% | 0.01 | .93 |
| Incidence of bleeding (%) | 4% | 2% | 0.01 | .94 |
| Incidence of other complications (%) | 4% | 2% | 0.01 | .94 |