Table 1.
Patient Characteristics
| Cohort with Pretreatment Cytokine Data (n = 126) | Full Cohort (n = 147) | |
|---|---|---|
| Grade 3 esophagitis, # (%) | 13 (10.3%) | 15 (10.5%) |
| Esophageal dose, D2cc | ||
| Median (IQR) | 62.7 Gy (56.1, 69.6) | 62.1 Gy (56.0, 68.5) |
| # Missing | n = 17 | n = 22 |
| Esophageal dose, gEUD | ||
| Median (IQR) | 46.9 Gy (39.0, 51.8) | 46.8 Gy (39.0, 51.7) |
| # Missing | n = 17 | n = 22 |
| Target dose, BED | ||
| Median (IQR) | 84.0 Gy (78.0, 93.6) | 84.0 Gy (78.0, 94.4) |
| # Missing | n = 3 | n = 6 |
| Sex, # (%) | ||
| Female | 28 (22.2%) | 33 (22.4%) |
| Age, year | ||
| Median (IQR) | 65.8 (59.3, 73.4) | 65.6 (59.3, 73.2) |
| Race/ethnicity, # (%) | ||
| Caucasian | 121 (97.6%) | 140 (97.2%) |
| African American | 2 (1.6%) | 3 (2.1%) |
| Asian | 1 (0.8%) | 1 (0.7%) |
| Not reported | 2 | 3 |
| KPS | ||
| Median (IQR) | 87.5 (80, 90) | 90 (80, 90) |
| Smoking status, # (%) | ||
| Former | 57 (48.8%) | 71 (51.8%) |
| Current | 57 (48.8%) | 62 (45.3%) |
| Never smoker | 3 (2.6%) | 4 (2.9%) |
| Not reported | 9 | 10 |
| Simple stage, # (%) | ||
| I | 14 (11.1%) | 15 (10.2%) |
| II | 14 (11.1%) | 17 (11.6%) |
| III | 98 (77.8%) | 114 (77.6%) |
| IV | 0 | 1 (0.7%) |
| Concurrent chemotherapy, # (%) | ||
| Yes | 103 (81.7%) | 121 (82.3%) |
| Radiation technique, # (%) | ||
| 3DCRT | 122 (96.8%) | 143 (97.3%) |
| IMRT | 4 (3.2%) | 4 (2.7%) |
IQR, interquartile range.