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Table 1 Biometric data and descriptive data of patients enrolled in the study. Data are presented as median (25th–75th percentile) or numbers (percentage), respectively

From: Videolaryngoscopy versus direct laryngoscopy for double-lumen endotracheal tube intubation in thoracic surgery - a randomised controlled clinical trial

Parameter

DL

(n 31)

GVL

(n 34)

Mann Whitney U-test

(p-Value)

Gender (male/female)

25/6

25/9

0.50

Age (years)

60 (52–65)

66 (58–75)

0.087

Weight (kg)

83 (75–95)

80 (68–90)

0.207

Height (cm)

178 (172–181)

173 (165–178)

0.038*

Body mass index (kg m−2)

25.7 (24.2–30.8)

25.2 (24.1–29.1)

0.604

ASA n (%):

 I

0 (0%)

1 (3%)

0.824

 II

10 (32%)

9 (26%)

 III

19 (61%)

24 (71%)

 IV

2 (7%)

0 (0%)

Mallampati score n (%):

 I

11 (35%)

14 (41%)

0.819

 II

16 (52%)

14 (41%)

  > II

4 (13%)

6 (18%)

Blade size used n (%):

 size 3

1 (3%)

16 (47%)

< 0.001*

 size 4

30 (97%)

18 (53%)

DLT size used n (%):

 35 French

1 (3%)

1 (3%)

0.023*

 37 French

6 (19%)

18 (53%)

 39 French

17 (55%)

10 (29%)

 41 French

7 (23%)

5 (15%)

DLT design used n (%):

 left-sided

31 (100%)

33 (97%)

0.340

 right-sided

0 (0%)

1 (3%)

  1. *Statistically significant