Table 3 Prediction models for prognosis in older patients with craniotomy (n = 300)
Related factors | β-value | SE value | Wald value | P value | OR value | 95% CI |
|---|---|---|---|---|---|---|
Model 1 without frailty | ||||||
 Preoperative anxiety | 1.401 | 0.577 | 5.891 | 0.015 | 4.061 | 1.31 ~ 12.591 |
 Preoperative ASA grading | 1.352 | 0.370 | 13.353 |  < 0.001 | 3.866 | 1.872 ~ 7.985 |
 preoperative albumin | -0.106 | 0.045 | 5.507 | 0.019 | 0.900 | 0.824 ~ 0.983 |
 BMI | -0.246 | 0.060 | 16.636 |  < 0.001 | 0.782 | 0.695 ~ 0.880 |
 Operative duration | 0.007 | 0.001 | 24.515 |  < 0.001 | 1.007 | 1.004 ~ 1.010 |
Model 2 with frailty | ||||||
 preoperative albumin | -0.113 | 0.049 | 5.226 | 0.022 | 0.893 | 0.811 ~ 0.984 |
 BMI | -0.232 | 0.065 | 12.693 |  < 0.001 | 0.793 | 0.698 ~ 0.901 |
 Operative duration | 0.007 | 0.002 | 20.376 |  < 0.001 | 1.007 | 1.004 ~ 1.010 |
 preoperative frailty | 2.177 | 0.407 | 28.618 |  < 0.001 | 8.816 | 3.972 ~ 19.572 |