Table 1.
Patient Demographic Characteristics (n = 24)
| Characteristic | Value |
|---|---|
| Age at Time of Diagnosis, y | |
| Median | 64 |
| Range | 52–77 |
| Race, n (%) | |
| White | 17 (70.8) |
| Black | 2 (8.3) |
| Other | 5 (20.8) |
| ECOG Performance Status, n (%) | |
| 0 | 10 (42) |
| 1 | 14 (58) |
| Distance to Ann Arbor, Miles | |
| Median | 85.4 |
| Range | 17.4–205.7 |
| Smoking Status, n (Mean Pack-Years, Range) | |
| Current | 7 (66, 22–100) |
| Former | 16 (44, 1–100) |
| Never | 1 (0) |
| Charlson Comorbidity Index, n (%) | |
| 0 | 0 |
| 1–3 | 14 (58.3) |
| ≥4 | 10 (41.7) |
| AJCC Stage at Time of Diagnosis, n (%)a | |
| I | 0 |
| II | 5 (20.8) |
| III | 10 (41.7) |
| IV | 8 (33.3) |
| Histology, n (%) | |
| Adenocarcinoma | 11 (45.8) |
| Squamous | 11 (45.8) |
| Other | 2 (8.3) |
| Previous XRT Therapy, n (%)b | |
| 0 | 6 (25) |
| <60 Gy | 7 (29.2) |
| ≥60 Gy | 11 (45.8) |
| Previous Chemotherapy Regimens, n (%) | |
| 1 | 12 (50) |
| >1 | 12 (50) |
| Development of IRAEs, n (%) | |
| Yes | 3 (12.5) |
| No | 21 (87.5) |
Abbreviations: AJCC = American Joint Committee on Cancer; ECOG = Eastern Cooperative Oncology Group; IRAE = immune-related adverse event; XRT = radiation therapy.
a
There was 1 patient with unknown stage at the time of diagnosis.
b
Dosage of previous radiation therapy for other malignancies as well as palliative radiation were included.