TABLE 1.
Covariate Balance Achieved by the STR Propensity Score Model
| Unadjusted | Inverse propensity score weighting | |||
|---|---|---|---|---|
| Predictor | GTR | STR | GTR | STR |
| Hyperlipidemia | 20% | 25.70% | 20.90% | 22.30% |
| Other neurological disorder | 20.60% | 31.40% | 23.80% | 23.80% |
| Use of antiepileptic drugs | 76.10% | 88.60% | 79.50% | 81.60% |
| Use of anticoagulant | 19.40% | 12.90% | 18% | 19.10% |
| Tumor crossing midline | 8.90% | 14.30% | 10.30% | 9.60% |
| Parietal location | 23.30% | 34.30% | 25.80% | 25.80% |
| Midline shift | 45.00% | 50.00% | 46.90% | 49.80% |
| Eloquent location | 27.60% | 35.70% | 28.80% | 25.90% |
| KPS (mean) | 72.60% | 75.30% | 73.40% | 74.50% |
| Mean tumor volume (ccs) | 46 | 40 | 44.5 | 44.6 |