Table 1.
Demographics, tumor histology, anatomy, smoking status, and oxygen use of study patients
| Median Age | 74 (range 53-90) |
|---|---|
| Median Follow-up | 19.3 months |
| Sex | |
| Male | 31 (55.3%) |
| Female | 25 (44.7%) |
| Histology | |
| Adenocarcinoma | 21 (37.5%) |
| Squamous cell carcinoma | 28 (50%) |
| Other/NOS | 7 (12.5%) |
| Tumor Size | Median 3.5cm (range 3.0-6.8cm) |
| Tumor Location | |
| RUL | 18 (32.1%) |
| RML | 5 (8.9%) |
| RLL | 12 (21.4%) |
| LUL | 16 (28.6%) |
| LLL | 5 (8.9%) |
| Smoking Status | |
| Never | 2 (3.6%) |
| Former | 39 (69.6%) |
| Active | 15 (26.8%) |
| Baseline Oxygen Use | |
| Yes | 15 (26.8%) |
| No | 41 (73.2%) |