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Table 1 Characteristics of patients, distribution of surgical procedures and site of surgery

From: The EZ-blocker for one-lung ventilation in patients undergoing thoracic surgery: clinical applications and experience in 100 cases in a routine clinical setting

Patient characteristics n (%) or median (IQR)
Gender, n (%)
 Female 32 (32)
 Male 68 (68)
Age (y), median (IQR) 65.5 (53–70.5)
BMI (kg/m2), median (IQR) 25.3 (21.8–29)
ASA physical status, n (%)
 I 3 (3)
 II 33 (33)
 III 52 (52)
 IV 12 (12)
Mallampati score, n (%)
 I 18 (18)
 II 38 (38)
 III 14 (14)
 IV 6 (6)
 not specified 24 (24)
CML classification, n (%)
 I 41 (41)
 II 8 (8)
 III 7 (7)
 IV 0 (0)
 not specified 44 (44)
Surgical procedures, n (%)
VATS procedure 36 (36)
 Wedge resection 12 (12)
 Segment resection 3 (3)
 Ligation of thoracic duct 3 (3)
 Pleural decortication 3 (3)
 Lobectomy 1 (1)
 Other surgical procedures 14 (14)
Thoracotomy 64 (64)
 Lobectomy 17 (17)
 Wedge resection 12 (12)
 Pleural decortication 7 (7)
 Segment resection 6 (6)
 Pneumonectomy 2 (2)
 Bilobectomy 1 (1)
 Ligation of thoracic duct 1 (1)
 Other surgical procedures 18 (18)
Site of surgery, n (%)
 Right 51 (51)
 Left 46 (46)
 Bilateral 2 (2)
 Median sternotomy 1 (1)
  1. Data are presented as absolute number of patients (%) or as median (IQR)