Table 1.
Demographic and clinical characteristics of the overall cohort
| Characteristic | < = 10% viable tumor (n = 12) | > 10% viable tumor (n = 19) | p value |
|---|---|---|---|
| Median age (range), ys | 60 (48–77) | 61 (38–66) | 0.408 |
| Sex | 0.510 | ||
| Female | 0 | 2 | |
| Male | 12 | 17 | |
| Median BMI (range) | 23.81 (21.05–27.77) | 24.49 (17.72–28.39) | 0.805 |
| Clinical stage | 0.455 | ||
| IIA | 0 | 1 | |
| T2bN0 | 0 | 1 | |
| IIB | 3 | 1 | |
| T2aN1 | 1 | 1 | |
| T2bN1 | 1 | 0 | |
| T3N0 | 1 | 0 | |
| IIIA | 6 | 10 | |
| T2aN2 | 3 | 5 | |
| T2bN2 | 0 | 1 | |
| T3N1 | 2 | 1 | |
| T4N0 | 0 | 2 | |
| T4N1 | 1 | 1 | |
| IIIB | 3 | 7 | |
| T3N2 | 3 | 3 | |
| T4N2 | 0 | 4 | |
| Histologic subtype | 0.101 | ||
| Squamous cell carcinoma | 11 | 11 | |
| Adenocarcinoma | 1 | 8 | |
| Smoking history | 0.523 | ||
| Never | 8 | 16 | |
| Former | 3 | 1 | |
| Current | 1 | 2 | |
| PD-L1 expression | 0.352 | ||
| < 1% | 5 | 5 | |
| 1—50% | 1 | 4 | |
| > 50% | 2 | 5 | |
| NA | 4 | 5 |
BMI body mass index, NA Unknown