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Table 1 Demographic characteristics of patients

From: Comparison of the accuracy of three methods measured the length of the right main stem bronchus by chest computed tomography as a guide to the use of right sided double-lumen tube

Characteristics of patients C-P (n = 56)
CP ≥ 14 mm
C-D(n = 56)
CD ≥ 20 mm
C-C (n = 56)
CC ≥ 24 mm
P
Age (years) 54.8 ± 12.5 55.6 ± 12.9 53.4 ± 13.4 0.68
Gender (M/F, n) 36/20 40/16 34/22 0.48
ASA (I/II, n) 23/33 28/28 32/24 0.23
Weight (kg) 67.2 ± 10.7 69.6 ± 9.9 66.5 ± 9.6 0.93
Height (cm) 167.4 ± 8.0 167.7 ± 7.9 166.3 ± 7.9 0.59
BMI (kg/m2) 23.9 ± 2.8 24.8 ± 2.9 24.2 ± 3.0 0.79
Time of operation (min) 141.7 ± 59.0 151.2 ± 68.0 165.8 ± 71.0 0.16
Time of OLV (min) 112.0 ± 54.1 113.6 ± 59.3 126.9 ± 61.2 0.34
length of RMSB(mm) 17.2 ± 2.3 25.4 ± 3.7 28.5 ± 3.1 0.00
  1. ASA American Society of Anesthesiologists, BMI Body mass index, CP Carina-proximal distance, CD Carina to distal distance, CC Carina to carina distance, OLV One lung ventilation, RMSB Right main stem bronchus