Table 4.
Multivariable analyses for LOS and complications
| Characteristic | Multivariable linear regression for LOS | Multivariable logistic regression for any complications | ||
|---|---|---|---|---|
| Coefficient (95% CI) | p value | OR (95% CI) | p value | |
| Age | 0.24 (− 0.13 to 0.26) | 0.379 | 1.15 (0.89–1.26) | 0.563 |
| Female | 1.28 (− 0.51 to 1.10) | 0.085 | 1.07 (0.91–1.14) | 0.210 |
| BMI | − 0.033 (− 0.13 to 0.07) | 0.535 | 0.97 (0.92–1.06) | 0.085 |
| Smoker | 0.76 (− 0.21 to 1.11) | 0.137 | 2.10 (0.85–3.24) | 0.121 |
| Comorbidities | 1.26 (0.29 to 2.23) | 0.023 | 1.56 (0.77–2.91) | 0.074 |
| ASA ≥ 3 | 0.98 (− 0.03 to 1.92) | 0.062 | 2.31 (0.98–4.53) | 0.060 |
| Fusion number | 2.15 (− 1.29 to 3.37) | 0.236 | 1.98 (0.91–2.58) | 0.140 |
| Operative time | 0.36 (− 0.19 to 1.08) | 0.151 | 1.33 (0.86–3.46) | 0.088 |
| Blood loss | 1.12 (− 2.56 to 4.95) | 0.079 | 1.44 (0.65–1.90) | 0.872 |
| ERAS | − 2.98 (− 3.76 to − 1.64) | 0.002 | 0.72 (0.31–1.09) | 0.077 |
| Preoperative JOA | 0.34 (− 0.46 to 0.88) | 0.235 | 0.81 (0.70–1.34) | 0.179 |
| Preoperative VAS (back) | 0.65 (− 0.70 to 2.01) | 0.949 | 1.12 (0.81–2.03) | 0.235 |
| Preoperative VAS (leg) | 0.98 (0.01 to 1.37) | 0.656 | 2.09 (0.95–2.71) | 0.068 |
| Preoperative ODI (%) | − 0.02 (− 0.07 to 0.01) | 0.179 | 1.36 (0.74–2.28) | 0.307 |