Table 2.
Correlates of Symptom Severity During Radiation Therapy for Head and Neck Cancer: Results of Univariate Analysis.
| Covariate | Coefficient | 95% Confidence Interval | P Value |
|---|---|---|---|
| Age | −0.514 | −0.033 to −0.959 | 0.016 |
| Sex | 5.340 | −6.669 to 17.348 | 0.382 |
| ECOG performance status | 19.342 | 1.049 to 37.637 | 0.038 |
| Baseline MDASI–HN | 0.528 | 0.362 to 0.693 | <0.001 |
| T category | 11.818 | 1.010 to 22.536 | 0.031 |
| N category | 17.045 | 7.060 to 27.031 | 0.001 |
| Primary site | 6.582 | 3.516 to 9.647 | <0.001 |
| Radiation therapy intent | 21.27 | 10.48 to 32.05 | <0.001 |
| Induction chemotherapy | 15.465 | 4.016 to 26.914 | 0.008 |
| Concurrent chemotherapy | 22.264 | 12.311 to 32.217 | <0.001 |
Abbreviations: ECOG, Eastern Cooperative Oncology Group; MDASI-HN, MD Anderson Symptom Inventory–Head and Neck Module