Table 5.
Multivariable analysis of binary outcomes
| Outcome | Model predictors | Level | Odds ratio (95 % CI) | P |
|---|---|---|---|---|
| G-tube dependent at completion of RT | RT Modality | proton vs IMRT | 0.03 (<0.01–0.15) | <0.001 |
| Nodal status | N0 vs N+ | 0.58 (<0.01–9.07) | >0.99 | |
| Concurrent chemo | yes vs no | 12.4 (1.74– > 9999) | 0.033 | |
| G-tube dependent 1 month after RT | RT Modality | proton vs IMRT | 0.11 (<0.01–0.61) | 0.028 |
| Nodal status | N0 vs N+ | 0.88 (0.11–6.78) | >0.99 | |
| Concurrent chemo | yes vs no | 2.97 (0.42– > 9999) | 0.375 | |
| EMD > baseline at completion of RT | RT Modality | proton vs IMRT | 0.09 (0.01–0.57) | 0.006 |
| Nodal status | N0 vs N+ | 0.92 (0.11–6.07) | >0.99 | |
| Concurrent chemo | yes vs no | 4.2 (0.39–66.1) | 0.375 |
CI confidence interval, G-tube gastrostomy tube, RT radiation therapy, IMRT intensity modulated radiation therapy, chemo chemotherapy P values <0.05 are in bold.