Table 4.
Simple and Multiple Linear Regression Analyses between Baseline Characteristics and Natural Log of Length of Stay
| Variable | Simple linear regression analysis |
Multiple linear regression analysis |
||
|---|---|---|---|---|
| Linear regression coefficient (95% CI) | p | Linear regression coefficient (95% CI) | p | |
| Age | −0.0180 (−0.0350 to 0.001) | 0.040 | −0.014 (−0.027 to 0.000) | 0.045 |
| Male gender | 0.339 (−0.216 to 0.895) | 0.226 | ||
| African American race | 0.510 (−0.056 to 1.076) | 0.077 | ||
| Surgical interventiona | 0.932 (0.357 to 1.507) | 0.002 | 0.261 (−0.294 to 0.816) | 0.350 |
| Transfer from outside hospital | −0.497 (−1.041 to 0.0470) | 0.072 | ||
| PMH cancer | −0.327 (−0.910 to 0.256) | 0.265 | ||
| PMH stroke | 0.703 (−0.030 to 1.436) | 0.060 | ||
| PMH end-stage renal disease | −0.644 (−1.603 to 0.316) | 0.184 | ||
| PMH dementia | −0.282 (−1.779 to 1.214) | 0.707 | ||
| PMH congestive heart failure | −0.225 (−1.722 to 1.272) | 0.765 | ||
| PMH pulmonary hypertension | −0.395 (−2.491 to 1.702) | 0.707 | ||
| PMH chronic obstructive pulmonary disease | 0.604 (−1.488 to 2.697) | 0.565 | ||
| PMH coronary artery disease | 0.311 (−1.786 to 2.409) | 0.767 | ||
| Admission hemorrhagic stroke | −0.262 (−0.818 to 0.295) | 0.350 | ||
| Admission spinal cord injury | 0.725 (−0.337 to 1.786) | 0.177 | ||
| Admission brain tumor | −0.347 (−1.019 to 0.325) | 0.305 | ||
| Admission traumatic brain injury | 0.797 (0.0320 to 1.561) | 0.041 | 0.196 (−0.294 to 0.816) | 0.553 |
| Late palliative care consultb | 1.361 (0.922 to 1.800) | <0.001 | 1.138 (0.603 to 1.673) | <0.001 |
a
Surgical intervention = decompressive hemicraniectomy, tumor resection, cerebrovascular procedure, spinal surgery, abscess drainage, ventriculoperitoneal shunt revision, external ventricular drain.
b
Late palliative care consult = palliative care consultation requested after four days of hospitalization.
CI, confidence interval.