Table 1.
General characteristics of the study cohort
| Sex (N) | |
| Male | 20 (40%) |
| Female | 30 (60%) |
| Age | |
| Median | 65 y |
| Range | 62‐80 y |
| Comorbidities | |
| Pulmonary | |
| COPD (PFT – FEV1 predicted percentage range) | 33‐130 |
| Mild | 2 (4%) |
| Moderate | 12 (24%) |
| Severe | 4 (8%) |
| Cardiac | |
| Non‐ischemic cardiomyopathy | 32 (64%) |
| CAD | 2 (4%) |
| Hypertension | 21 (42%) |
| Prior cancer history | |
| • Squamous cell carcinoma of the skin | 2 (4%) |
| • Bladder cancer | 2 (4%) |
| • Breast cancer | 14 (28%) |
| • Lung cancer | 3 (6%) |
| • Leukemia/Lymphoma | 3 (6%) |
| • Melanoma | 8 (16%) |
| • Ovarian cancer | 2 (4%) |
| • Sarcoma | 1 (2%) |
| Smoking history (N) | |
| • ≥30 pack‐years | 1 (2%) |
| • Quit>15 y ago | 1 (25) |
| • <30 pack‐years | 27 (68%) |
| • Current smokers | 4 (8%) |
| • Never smokers | 17 (34%) |
| Family history of cancer | 17 (34%) |
| Nodule Characteristics | |
| • Nodule size | 0.6‐2.7 cm |
| • Distance to the pleura | 0‐4.2 cm (mean = 1.3 ± 0.38 cm) |
| • <1 cm | 29 (43%) |
| • 1‐2 cm | 13 (26%) |
| • 2 cm | 8 (16%) |
| Nodule location | |
| • Left lower lobe | 8 (16%) |
| • Left upper lobe | 9 (18%) |
| • Lingula | 2 (4%) |
| • Right middle lobe | 1 (2%) |
| • Right upper lobe | 19 (48%) |
| • Right lower lobe | 11 (22) |
| Technical factors associated with the study | |
| Number of scans | 46 (1 scan) |
| 4 (2 scans) | |
| Induction to incision (median; range) | 89 min (13‐256 min) |
| Time for T‐bar placement (median; range) | 13.5 min (14‐29 min) |
| Incision to closure time (median; range) | 107 min (41‐302 min) |
| Radiation exposure (median; range) | 6 mSv; range: 2.9‐35 mSv |
| Length of stay (N; range) | 3 d, (1‐12 d) |
| Type of surgery | |
| • Wedge resection | • 48 (89%) |
| • Lobectomy | • 4 (7%) |
| • Segmentectomy | • 2 (4%) |
| • Lymph node dissection | • 45 (90%) |