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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

ParameterDL
(n 31)
GVL
(n 34)
Mann Whitney U-test
(p-Value)
Gender (male/female)25/625/90.50
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 (%):
 I0 (0%)1 (3%)0.824
 II10 (32%)9 (26%)
 III19 (61%)24 (71%)
 IV2 (7%)0 (0%)
Mallampati score n (%):
 I11 (35%)14 (41%)0.819
 II16 (52%)14 (41%)
  > II4 (13%)6 (18%)
Blade size used n (%):
 size 31 (3%)16 (47%)< 0.001*
 size 430 (97%)18 (53%)
DLT size used n (%):
 35 French1 (3%)1 (3%)0.023*
 37 French6 (19%)18 (53%)
 39 French17 (55%)10 (29%)
 41 French7 (23%)5 (15%)
DLT design used n (%):
 left-sided31 (100%)33 (97%)0.340
 right-sided0 (0%)1 (3%)
  1. *Statistically significant