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Table 1 Demographic and clinical characteristics of patients in the Desflurane and Propofol groups

From: Desflurane improves lung collapse more than propofol during one-lung ventilation and reduces operation time in lobectomy by video-assisted thoracic surgery: a randomized controlled trial

 

Desflurane group

Propofol group

Relative risk (95% CI)

P value

N = 26

N = 24

Female, n/total N (%)

12/26 (46%)

11/24 (45%)

1.00 (0.55 to 1.83)

1.00a

ASA-PS, 1/total N (%)

7/26 (26%)

5/24 (20%)

1.29 (0.47 to 3.52)

0.74a

Resection side, L/total N (%)

9/26 (34%)

11/24 (45%)

0.75 (0.38 to 1.49)

0.56a

 Right Upper Lobe, L/total N (%)

9/26 (34%)

7/24 (29%)

 

0.88a

 Right Middle Lobe, L/total N (%)

3/26 (11%)

2/24 (8%)

  

 Right Lower Lobe, L/total N (%)

5/26 (19%)

4/24 (16%)

  

 Left Upper Lobe, L/total N (%)

7/26 (26%)

7/24 (29%)

  

 Left Lower Lobe, L/total N (%)

2/26 (7%)

4/24 (16%)

  

Thoracic surgery team,

12 (46%) / 10 (38%) /

8 (33%) / 14 (58%) /

 

0.35a

team A / team B / team C

4 (15%)

2 (8%)

  

COPD, n/total N (%)

2/26 (7%)

5/24 (20%)

0.36 (0.07 to 1.72)

0.23a

Asthma, n/total N (%)

0/26 (0%)

2/24 (8%)

N/A

0.22a

   

The difference in Means (95% CI)

 

Age (yr), mean (SD)

61.9 (6.9)

66.0 (5.6)

-4.1 (-7.7 to -0.5)

0.02b

Height (cm), mean (SD)

159 (5.8)

159 (7.6)

0.2 (-3.5 to 4,1)

0.89b

Weight (kg), mean (SD)

57.5 (7.6)

60.7 (12.1)

-3.1 (-8.8 to 2.5)

0.26b

%VC (%), mean (SD)

119 (13.7)

110 (12.3)

9.4 (2.0 to 16.9)

0.01b

%FEV1.0 (%), mean (SD)

76.1 (5.5)

75.8 (10.0)

0.3 (-4.2 to 4.8)

0.89b

  1. Relative risks are for Desflurane group relative to Propofol group; the difference is (Desflurane group – Propofol group)
  2. Average VATS lobectomy times in this study period of team A: 254 (84), team B: 228 (56), and team C: 217 (53) min, respectively
  3. VC vital capacity, FEV forced expiratory volume, COPD chronic obstructive pulmonary disease, L left, R right, ASA-PS American Society of Anesthesiologists physical status, CI confidence interval, SD standard devision
  4. aFisher's exact test
  5. bStudent's t-test