Table 1 Demographic and surgical characteristics of the patients
Patient characteristics | n (%) or median (IQR) |
Gender, n (%) | |
 Female | 5 (35.7)) |
 Male | 9 (64.3) |
Age (y), median (IQR) | 59.0 (51.0–68.0) |
Weight (kg), median (IQR) | 80.5 (66.0–88.0) |
Height (cm), median (IQR) | 173.0 (158.0–182.0) |
BMI (kg/m2), median (IQR) | 25.7 (22.6–30.0) |
ASA physical status, n (%) | |
 I | 0 (0) |
 II | 9 (64.3) |
 III | 5 (35.7) |
 IV | 0 (0) |
Mallampati score, n (%) | |
 I | 3 (21.4) |
 II | 7 (50.0) |
 III | 4 (28.6) |
 IV | 0 (0) |
CML classification, n (%) | |
 I | 11 (78.6) |
 II | 2 (14.3) |
 III | 0 (0) |
 IV | 0 (0) |
 not specified | 1 (7.1) |
Surgical characteristics | n (%) or median (IQR) |
Indications for surgery, n (%) | |
 Carcinoma of the left upper lobe | 9 (64.3) |
 Left upper lobe metastasis | 2 (14.3) |
 Aortopulmonary window lymph node metastases | 3 (21.4) |
Surgical procedure, n (%) | |
 Left upper lobectomy | 7 (50.0) |
 Left upper lobe trisegmentectomy | 2 (14.3) |
 Atypical resection of the left upper lobe | 2 (14.3) |
 Left upper mediastinal lymph node dissection | 3 (21.4) |
Total operating time (min), median (IQR) | 192.5 (176.0–226.0) |
Incision/suture time (min), median (IQR) | 145.5 (131.0–193.0) |
Total anesthesia time (min), median (IQR) | 273.5 (243.0–325.0) |
Time of one-lung ventilation (min), median (IQR) | 92.0 (77.5–132.0) |
Time for EZB placement (s), median (IQR) | 27.0 (23.0–163.00) |