Table 5 Regression results predicting patient-level total cost (log-transformed)
From: Direct costs of adult traumatic spinal cord injury in ontario
Variable | Parameter estimate | t Value | 95% LCL | 95% UCL | P value | Total cost intercept and variable | Incremental cost of variable |
|---|---|---|---|---|---|---|---|
Intercept | 9.02857 | 56.83 | 8.71717 | 9.33997 | <0.0001 | $8338 | $- |
Male | −0.14675 | −2.15 | −0.28048 | −0.01302 | 0.0319 | $7200 | $1138 |
Age 70 or above | 0.24376 | 2.90 | 0.07875 | 0.40877 | 0.0039 | $10 640 | $2302 |
Injury level: cervical | −0.00166 | −0.01 | −0.30156 | 0.29824 | 0.9913 | – | – |
Injury level: thoracic | −0.02953 | −0.18 | −0.34499 | 0.28593 | 0.8545 | – | – |
Injury level: lumbar | −0.03162 | −0.18 | −0.36756 | 0.30432 | 0.8537 | – | – |
Charlson score 3 or more | 0.19486 | 1.36 | −0.08618 | 0.47590 | 0.1747 | – | – |
Traumatic brain injury | 0.17966 | 2.28 | 0.02515 | 0.48867 | 0.0230 | $9979 | $1641 |
Direct discharge to rehabilitation | 1.78198 | 21.84 | 1.62204 | 1.94192 | <0.0001 | $49 541 | $41 203 |
Direct discharge to chronic care | 2.12538 | 10.99 | 1.7467 | 2.5043 | <0.0001 | $69 839 | $61 501 |
Rural (RIO def) | 0.05296 | 0.74 | −0.08789 | 0.19381 | 0.4614 | – | – |
In-hospital complication (within the index episode) | 0.53694 | 7.75 | 0.40107 | 0.67281 | <0.0001 | $14 264 | $5926 |
Episode LOS (continuous) | 0.00747 | 7.29 | 0.00545 | 0.00949 | <0.0001 | $8400 | $63 |
Rehab LOS (continuous) | 0.00472 | 8.05 | 0.00357 | 0.00587 | <0.0001 | $8377 | $39 |
