Table 2 Multivariable logistic regression analysis of factors influencing POD and clinical outcomes in older patients who underwent craniectomy (n = 300)
Variables | β value | SE value | Wald value | P value | OR value | 95% CI |
|---|---|---|---|---|---|---|
constant | 5.284 | 2.559 | 4.265 | 0.039 | 197.155 | — |
Preoperative albumin | -0.126 | 0.057 | 5.002 | 0.025 | 0.881 | 0.789 ~ 0.984 |
BMI | -0.237 | 0.070 | 11.369 | 0.001 | 0.001 | 0.687 ~ 0.905 |
Preoperative frailty | -1.872 | 0.527 | 15.351 |  < 0.001 | 6.503 | 2.549 ~ 16.592 |
Operative duration | 0.008 | 0.002 | 18.804 |  < 0.001 | 1.008 | 1.004 ~ 1.011 |
Postoperative outcome | ||||||
 Hospitalization cost | 0.178 | 0.069 | 6.694 | 0.010 | 1.195 | 1.044 ~ 1.368 |
 Length of hospital stay | 0.099 | 0.047 | 4.396 | 0.036 | 1.104 | 1.006 ~ 1.211 |