Table 3:
Generalized linear model results
| Treatment cost outcome | Length of stay outcome | |||||
|---|---|---|---|---|---|---|
| Characteristic | PI | 95% CI | p-value | PI | 95% CI | p-value |
| Treatment type | ||||||
| Surgery only (reference) | --- | --- | --- | --- | --- | --- |
| Embolization and surgery | 1.40 | (1.10, 1.79) | 0.007 | 1.33 | (1.00, 1.77) | 0.050 |
| SRS only | 0.26 | (0.18, 0.38) | <0.001 | --- | --- | --- |
| Age (per decade increase) | 1.01 | (0.95, 1.07) | 0.825 | 1.12 | (1.04, 1.20) | 0.004 |
| Female | 1.08 | (0.86, 1.37) | 0.502 | 1.19 | (0.89, 1.60) | 0.238 |
| Spetzler-Martin grade | 1.18 | (1.05, 1.31) | 0.004 | 1.35 | (1.16, 1.57) | <0.001 |
| Hemorrhage at presentation | 1.42 | (1.11, 1.82) | 0.005 | 1.51 | (1.12, 2.03) | 0.007 |
PI: proportional increase, CI: confidence interval