Table 1 Population characteristics
Hamartoma training set n = 16 | Hamartoma validation set n = 22 | p-value$ | Carcinoid tumor training set n = 57 | Carcinoid tumor validation set n = 32 | p-value§ | |
|---|---|---|---|---|---|---|
Age (years) | 62 [43–76] | 58 [50–64] | p = 0.68 | 58 [41–70] | 62 [51–67] | p = 0.28 |
Gender | ||||||
Male | 10 (62%) | 11 (50%) | p = 0.53 | 10 (25%) | 8 (25%) | p = 0.99 |
Female | 6 (38%) | 11 (50%) | 47 (75%) | 24 (75%) | ||
Type of surgery | ||||||
Pneumonectomy | 0 (0%) | 0 (0%) | p = 0.72 | 2 (3%) | 2 (6%) | p = 0.94 |
Lobectomy | 7 (44%) | 1 (5%) | 42 (74%) | 26 (82%) | ||
Segmentectomy | 0 (0%) | 0 (0%) | 8 (14%) | 2 (6%) | ||
Wedge resection | 7 (44%) | 15 (68%) | 5 (9%) | 2 (6%) | ||
Enucleation | 1 (6%) | 6 (27%) | 0 (0%) | 0 (0%) | ||
Biopsy | 1 (6%) | 0 (0%) | 0 (0%) | 0 (0%) | ||
Diameter (mm) | 17 [11–26] | 12 [8–18] | p = 0.16 | 18 [12–26] | 18 [13–25] | p = 0.95 |
Calcifications | 7 (44%) | 4 (18%) | p = 0.15 | 9 (16%) | 2 (7%) | p = 0.32 |
Anatomic location | ||||||
Central | 6 (37%) | 4 (18%) | p = 0.27 | 30 (53%) | 16 (50%) | p = 0.83 |
Peripheral | 10 (62%) | 18 (82%) | 27 (47%) | 16 (50%) | ||
Bronchial contact | 5 (31%) | 5 (23%) | p = 0.71 | 38 (67%) | 25 (78%) | p = 0.33 |
Endobronchial protrusion | 4 (25%) | 0 (0%) | p = 0.02 | 23 (40%) | 16 (50%) | p = 0.50 |
Atelectasis | 2 (13%) | 0 (0%) | p = 0.17 | 16 (28%) | 12 (38%) | p = 0.48 |
Borders shape | ||||||
Smooth | 11 (69%) | 11 (50%) | p = 0.33 | 40 (70%) | 19 (61%) | p = 0.48 |
Lobulated | 5 (31%) | 11 (50%) | 17 (30%) | 12 (39%) | ||
Mean 2DROI value (HU) | 30 [12–40] | 26 [18–33] | p = 0.51 | 80 [50–103] | 78 [57–107] | p = 0.99 |
Mean 2DROI value (HU) in pulmonary artery trunk | 210 [144–283] | 225 [186–336] | p = 0.35 | 229 [183–309] | 179 [151–260] | p = 0.03 |