TABLE 1.
Characteristics of patients undergoing UT-VATS or TBLC.
| UT-VATS (n = 67) | TBLC (n = 70) | p value | |
|---|---|---|---|
| Age b | 54.0 (20–70) | 50.0 (21–72) | 0.27 |
| Male/female, n | 39/28 | 28/42 | 0.04 |
| Smoking history, no/yes, n | 28/39 | 16/54 | 0.03 |
| FVC% a | 81.3 (2.7) | 71.8 (2.8) | 0.01 |
| FEV1% a | 80.7 (2.6) | 73.0 (2.8) | 0.05 |
| DLCO% a | 68.7 (2.4) | 47.2 (2.5) | <0.001 |
| Biopsy location, n | – | – | – |
| LUL | 10 | NA | – |
| LL(lingular)L | 42 | NA | – |
| LL(lower)L | 53 | 44 | – |
| RUL | 1 | 4 | – |
| RML | 9 | NA | – |
| RLL | 8 | 295 | – |
| Sample number, n | – | – | – |
| 1 | 14 (20.9) | 1 (1.4) | – |
| 2 | 50 (74.6) | 1 (1.4) | – |
| 3 | 3 (4.5) | 8 (11.4) | – |
| 4 | – | 9 (12.9) | – |
| 5 | – | 31 (44.3) | – |
| >5 | – | 20 (28.6) | – |
| Sample number b | 2 (1–3) | 5 (1–8) | – |
| Sample size b , cm2/mm2 | 5.3 (1–32.0) c | 9.0 (1–40.0)d | – |
Values are presented as
a
mean (SEM)
b
median (interquartile range) where appropriate.
c
: cm2
d
: mm2
UT-VATS: uniportal and tubeless-video-assisted thoracic surgery, TBLC: transbronchial lung cryobiopsy, FVC: forced vital capacity, FEV1: forced expiratory volume in 1 s, DLCO: carbon-monoxide diffusion coefficient. LUL: left upper lobe, RUL: right upper lobe, RML: right middle lobe, RLL: right lower lobe.