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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