Table 1.
showing the difference in characteristics between benign and malignant lung nodules.
| Benign resections (n=38) | Malignant resections (n=100) | P-value | ||
|---|---|---|---|---|
| Patient Sex | Male | 20 (53%) | 44 (44%) | 0.2 |
| Female | 18 (47%) | 56 (56%) | ||
| Patient Age | Median | 65 | 66 | 0.3 |
| Range | 58–80 | 55–78 | ||
| Nodule Size | Median | 13 | 14 | 0.4 |
| Range | 4–41 | 5–66 | ||
| Nodule Type | Ground glass | 2 (5%) | 11 (11%) | 0.3 |
| Part Solid | 10 (26%) | 34 (34%) | ||
| Solid | 26 (68%) | 55 (55%) | ||
| Spiculated Nodule | Yes | 15 (39%) | 39 (39%) | 0.6 |
| No | 23 (61%) | 61 (61%) | ||
| Lung-RADS | 2 | 4 (11%) | 1 (1%) | 0.02 |
| 3 | 2 (5%) | 5 (5%) | ||
| 4A | 11 (29%) | 23 (23%) | ||
| 4B | 13 (34%) | 26 (26%) | ||
| 4X | 8 (21%) | 45 (45%) | ||
| Nodule status: | Baseline | 7 (18%) | 27 (27%) | 0.3 |
| Stable | 3 (8%) | 12 (12%) | ||
| New | 9 (24%) | 12 (12%) | ||
| Growing | 19 (50%) | 49 (49%) | ||
| FDG-uptake if PET/CT done: | None | 2 (11%) | 7 (9%) | 0.12 |
| Mild | 10 (53%) | 19 (25%) | ||
| Moderate | 3 (16%) | 20 (26%) | ||
| Intense | 4 (21%) | 30 (39%) | ||
| Pre-operative Biopsy | Yes | 4 (11%) | 19 (19%) | 0.18 |
| No | 34 (89%) | 81 (81%) | ||
| Brock calculator category: | Very low (<5% risk) | 9 (24%) | 8 (8%) | 0.03 |
| Low-Moderate (5–65% risk) | 27 (71%) | 88 (88%) | ||
| High (>65% risk) | 2 (5%) | 4 (4%) | ||
Wilcoxon test was used for the p-values of patients age and nodule size.