Table 1.
Study population characteristics
| Total (N = 89) | Transient (N = 15) | Persistent (N = 74) | |
|---|---|---|---|
| Gender, N (%) | |||
| Male | 39 (44) | 12 (80) | 27 (36) |
| Female | 50 (46) | 3 (20) | 47 (64) |
| Age, years | 61.6 [52.6–68.7] | 56.6 [48.8–65.1] | 62.0 [53.3–68.9] |
| Previous malignancy | |||
| Yes | 45 (50) | 5 (33) | 40 (54) |
| No | 44 (50) | 10 (67) | 34 (46) |
| Subtype | |||
| GGN | 63 (71) | 11 | 52 (70) |
| PS | 26 (29) | 4 | 22 (30) |
| Multiplicity | |||
| Solitary | 60 (67) | 12 (67) | 48 (65) |
| Multiple | 29 (33) | 3 (33) | 26 (35) |
| Location, N (%) | |||
| RUL | 32 (36) | 7 (47) | 25 (34) |
| RML | 4 (4) | 2 (13) | 2 (3) |
| RLL | 11 (12) | 1 (7) | 10 (13) |
| LUL | 33 (37) | 3 (20) | 30 (41) |
| LLL | 9 (10) | 2 (13) | 7 (9) |
| Progressive, N (%) | 35 | N/A | 35 |
| Diameter, mm | - | - | 10.4 [7.8–14.3] |
| Volume, mm3 | - | - | 1530 [589–3220] |