TABLE 2

Awake-video-assisted surgical lung biopsy (VASLB) versus intubated-VASLB: baseline characteristics before and after propensity score matching

Before matching (n=100)After matching (n=94)
AwakeIntubatedp-valueAwakeIntubatedp-value
Subjects n66346628
Age (years)60.4±2.061.4±13.60.774#60.4±2.062.1±12.50.624#
Male sex42 (63.6)20 (58.8)0.63942 (63.6)16 (57.1)0.644
Smoking history45 (68.1)20 (58.8)0.35345 (63.6)18 (64.2)0.713
Body mass index (kg·m−2)26.8±4.825.9±4.50.357#26.8±4.826.4±4.60.718#
ASA physical status classification0.2360.574
 11 (1.5)1 (2.9)1 (1.5)1 (3.5)
 28 (12.1)8 (23.5)8 (12.1)3 (10.7)
 353 (80.3)25 (73.6)53 (80.3)24 (85.7)
 44 (6.1)0 (0)4 (6.1)
Corticosteroid therapy6 (9.1)6 (17.6)0.2126 (9.1)5 (17.8)0.294
FEV1 (%)85.4±21.886.8±24.20.775#85.4±21.886.1±24.90.897#
FVC (%)84.1±20.585.9±20.70.678#84.1±20.585.2±20.70.812#
DLCO (%)56.4±16.363.1±14.10.058#56.4±16.361.5±13.80.164#
Oxygen therapy7 (10.6)2 (5.9)0.7147 (10.6)2 (7.1)0.721
UIP22 (33.3)8 (23.5)0.31122 (33.3)0.424

Data are presented as mean±sd or n (%), unless otherwise stated. ASA: American Society of Anesthesiologists; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; DLCO: diffusing capacity of the lung for carbon monoxide; UIP: usual interstitial pneumonia. #: t-test; : Chi-squared test or Fisher's exact test.