Table 1.
Patient demographic and clinical characteristics
| Characteristics | Group US (n = 97) |
Group FOB (n = 98) |
p-value |
|---|---|---|---|
| Baseline characteristics | |||
| Age (yrs) | 60.4 ± 15.6 | 60.6 ± 12.8 | 0.93 |
| Male gender | 38 (39.2%) | 48 (49.0%) | 0.19 |
| Height (cm) | 158 ± 8.8 | 160 ± 7.8 | 0.16 |
| Weight (kg) | 61.4 ± 10.9 | 62.1 ± 12.7 | 0.65 |
| Body mass index (kg/m2) | 24.4 ± 4.4 | 24.0 ± 4.3 | 0.58 |
| ASA physical status | 0.12 | ||
| 1 | 5 (5.2%) | 11 (11.2%) | |
| 2 | 59 (60.8%) | 64 (65.3%) | |
| 3 | 33 (34.0%) | 23 (23.5%) | |
| Primary diagnosis | 0.64 | ||
| Lung nodule/mass | 59 (60.8%) | 65 (66.3%) | |
| Lung cancer | 24 (24.7%) | 25 (25.5%) | |
| Lung bleb | 1 (1.0%) | 0 (0.0%) | |
| Pneumothorax (minimal residual air) | 2 (2.1%) | 1 (1.0%) | |
| Others | 11 (11.3%) | 7 (7.1%) | |
| Comorbidity | |||
| Diabetes mellitus | 18 (18.6%) | 13 (13.3%) | 0.34 |
| Hypertension | 54 (55.7%) | 38 (38.8%) | 0.02 |
| Dyslipidemia | 19 (19.6%) | 18 (18.4%) | 0.86 |
| Other | 24 (24.7%) | 14 (14.3%) | |
| Type of surgery | 0.60 | ||
| Video-assisted thoracoscopic surgery | 73 (75.3%) | 74 (75.5%) | |
| Thoracotomy | 24 (24.7%) | 23(23.5%) | |
| Median sternotomy | 0 (0.0%) | 1 (1.0%) | |
| Size of double lumen tube | 0.38 | ||
| 32 | 4 (4.1%) | 3 (3.1%) | |
| 35 | 56 (57.7%) | 48 (49.0%) | |
| 37 | 37 (38.1%) | 47 (48.0%) | |
Data presented as number and percentage or mean ± standard deviation
A p-value < 0.05 indicates statistical significance
Abbreviations: US ultrasonography, FOB fiberoptic bronchoscopy, ASA American Society of Anesthesiologists