Table 1.
Clinicoradiologic findings between emphysema and normal lung group
| Emphysema (n = 60) | Normal lung (n = 208) | Total (n = 268) | P‐value | |
|---|---|---|---|---|
| Gender | <0.001 | |||
| Female | 7 (11.7) | 156 (75.0) | 163 (60.8) | |
| Male | 53 (88.3) | 52 (25.0) | 105 (39.2) | |
| Age | 66.8 ± 7.4 | 63.3 ± 10.1 | 64.08 ± 9.7 | 0.004 |
| Smoker | 47 (78.3) | 29 (13.9) | 76 (28.4) | <0.001 |
| Smoking PYRs | 31.8 ± 22.4 | 4.1 ± 11.1 | 10.3 ± 18.4 | <0.001 |
| EEV1 | 94.1 ± 19.4 | 106.5 ± 22.1 | 103.8 ± 22.1 | <0.001 |
| FEV1/FVC | 67.0 ± 10.0 | 74.5 ± 6.9 | 72.8 ± 8.3 | <0.001 |
| Emphysema score | 2.2 ± 5.0 | 0.1 ± 0.3 | 0.6 ± 2.5 | 0.002 |
| Nodule morphology | 0.546 | |||
| NSN | 11 (18.3) | 48 (23.1) | 59 (22.0) | |
| PSN | 49 (81.7) | 160 (76.9) | 209 (78.0) | |
| WTsize (cm) | 2.4 ± 0.9 | 2.5 ± 1.1 | 2.5 ± 1.1 | 0.547 |
| STsize (cm) | 1.8 ± 1.0 | 1.9 ± 1.2 | 1.9 ± 1.2 | 0.638 |
| GGO ratio (%) | 28.2 ± 23.2 | 28.3 ± 41.1 | 28.3 ± 37.8 | 0.980 |
| Clinical T‐stage | 0.769 | |||
| T1a | 15 (23.4) | 55 (27.0) | 70 (26.1) | |
| T1b | 21 (32.8) | 69 (33.8) | 90 (33.6) | |
| T1c | 14 (21.9) | 50 (24.5) | 64 (23.9) | |
| T2a | 11 (17.2) | 26 (12.7) | 37 (13.8) | |
| T2b | 2 (3.1) | 3 (1.5) | 5 (1.9) | |
| T3 | 1 (1.6) | 1 (0.5) | 2 (0.7) |
Means ± standard deviation, Unless otherwise indicated, data are number of patients, with percentage in parentheses.
PYRs, Pack‐years; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; WTsize, whole tumor size; STsize, solid tumor size; GGO, ground glass opacity.