Skip to main content

Table 1 Patient baseline characteristics

From: Safety application of muscle relaxants and the traditional low-frequency ventilation during the flexible or rigid bronchoscopy in patients with central airway obstruction: a retrospective observational study

Characteristics N (%) P value
Flexible (204) Rigid (171) Total (375)
Age, media (range), year 63 (16 ~ 89) 62 (12 ~ 87) 62 (12 ~ 89) 0.70
Gender (M:F) 115:89 106:65 221:154 0.271
BMI (%) 22.5 ± 3.4 21.8 ± 3.5 22.2 ± 3.4 0.127
ASA
 II ~ III 156 (76.5%) 127 (74.3%) 286 (75.5%) 0.915
 IV 44 (21.6%) 39 (22.8%) 84 (22.1%)  
 V 4 (2.0%) 5 (2.9%) 9 (2.4%)  
Airway procedures
 Endobronchial stenting 91 (44.6%) 87 (50.9%) 178 (47.5%) 0.226
 Balloon dilatation 29 (14.2%) 25 (14.6%) 54 (14.4%) 0.912
 Argon plasma coagulation 14 (6.9%) 10 (5.8%) 24 (6.4%) 0.689
 Cryoablation 12 (5.9%) 8 (4.7%) 20 (5.3%) 0.605
 Endobronchial laser 7 (3.4%) 3 (1.8%) 10 (2.7%) 0.315
 Electrocoagulation 89 (43.6%) 78 (45.6%) 167 (44.5%) 0.700
 Stent removal 3 (1.5%) 4 (2.3%) 7 (1.9%) 0.536
  1. BMI Body Mass Index, ASA American Society of Anesthesiologist