Table 2.
Multivariable logistic regression for prolonged length of stay following elective lumbar surgery.
| Odds Ratio | 95% CI | p-value | |
|---|---|---|---|
| Age | 1.13 | 0.85 - 1.51 | 0.396 |
| Area of Deprivation Index (quintile) | |||
| 1st | Reference | – | – |
| 2nd | 1.78 | 0.87 - 3.72 | 0.118 |
| 3rd | 1.23 | 0.57 - 2.69 | 0.597 |
| 4th | 1.87 | 0.88 - 4.00 | 0.104 |
| 5th | 2.48 | 1.15 - 5.47 | 0.022 |
| Surgeon years experience | |||
| > 5 years | Reference | – | – |
| 2-5 years | 0.89 | 0.44 - 1.73 | 0.738 |
| < 1 year | 0.45 | 0.15 - 1.25 | 0.143 |
| Start time | 1.03 | 0.81 - 1.31 | 0.806 |
| Thursday-Sunday Surgery | 1.51 | 0.95 - 2.43 | 0.084 |
| Redo at same surgical site | 0.77 | 0.38 - 1.48 | 0.452 |
| Tubular retractors used | 3.03 | 1.02 - 8.56 | 0.039 |
| Drain placed | 4.46 | 2.53 - 7.26 | <0.001 |
| CSF leak | 3.46 | 1.55 - 7.58 | 0.002 |
| Opiate Naive | 1.12 | 0.56 - 1.46 | 0.655 |
| Procedure duration | 1.10 | 0.88 - 1.37 | 0.388 |
| Discharge not to home | 17.11 | 9.24 - 33.00 | <0.001 |
| Seen by PT | 7.23 | 2.13 - 45.30 | 0.008 |
| Seen by OT | 2.20 | 1.13 - 4.22 | 0.018 |
CSF, Cerebrospinal fluid; PT, Physical therapy; OT, Occupational therapy. p-Values in bold indicate significance at p<0.05.