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Table 1 Demographic and surgical characteristics of the patients

From: Combined recurrent laryngeal nerve monitoring and one-lung ventilation using the EZ-Blocker and an electromyographic endotracheal tube

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)
  1. Data are presented as absolute number of patients (%) or as median (IQR)