Table 2.
Characteristics According to HALP Group in Training Data
| Characteristic | ≤22.2, N = 289a | >22.2, N = 823a | p-valueb |
|---|---|---|---|
| Age (years) | <0.001 | ||
| <50 | 146 (51%) | 319 (39%) | |
| ≥50 | 143 (49%) | 504 (61%) | |
| Comorbidities | 0.016 | ||
| No | 202 (70%) | 510 (62%) | |
| Yes | 87 (30%) | 313 (38%) | |
| BMI (kg/m2) | <0.001 | ||
| Underweight | 27 (9.3%) | 34 (4.1%) | |
| Normal | 155 (54%) | 374 (45%) | |
| Overweight | 100 (35%) | 410 (50%) | |
| Unknown | 7 (2.4%) | 5 (0.6%) | |
| Stage | <0.001 | ||
| I + II | 104 (36%) | 531 (65%) | |
| III | 155 (54%) | 285 (35%) | |
| IVA | 30 (10%) | 7 (0.9%) | |
| Histology | 0.300 | ||
| SCC | 240 (83%) | 653 (79%) | |
| AD | 41 (14%) | 148 (18%) | |
| ASC | 8 (2.8%) | 22 (2.7%) | |
| Tumor size (cm) | <0.001 | ||
| <4 | 53 (18%) | 377 (46%) | |
| 4–8 | 196 (68%) | 396 (48%) | |
| >8 | 24 (8.3%) | 14 (1.7%) | |
| Unknown | 16 (5.5%) | 36 (4.4%) | |
| Modalities | <0.001 | ||
| RT | 61 (21%) | 60 (7.3%) | |
| CCRT | 228 (79%) | 763 (93%) |
Note: an (%). bPearson’s Chi-squared test.
Abbreviations: BMI, body mass index; SCC, squamous cell carcinoma; AD, adenocarcinoma; ASC, adenosquamous carcinoma; RT, radiation alone; CCRT, concurrent chemoradiation.