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Table 1 Characteristics of patients who underwent non-intubated uni-port video-assisted thoracoscopic wedge resection with or without chest tube drainage

From: Tubeless uniportal thoracoscopic wedge resection with modified air leak test and chest tube drainage

 

Before propensity score matching

After propensity score matching

Tubeless group (n = 55)

Drainage group (n = 211)

P-value

Tubeless group (n = 55)

Drainage group (n = 55)

P-value

Gender

  

0.54

  

0.78

 Male

23 (41.8%)

92 (43.6%)

 

23 (41.8%)

24 (43.6%)

 

 Female

32 (58.2%)

109 (56.4%)

 

32 (58.2%)

31 (56.4%)

 

Age

44.8 ± 11.1

45.9 ± 10.8

0.36

44.8 ± 11.1

45.1 ± 10.5

0.84

Smoking history (no. of smokers) (%)

17 (30.9%)

83 (39.3%)

0.19

17 (30.9%)

19 (34.5%)

0.45

FEV1 (L)

2.49 ± 0.51

2.53 ± 0.69

0.42

2.49 ± 0.51

2.51 ± 0.41

0.73

FEV1, % of prediction

115.3 ± 12.5

112.6 ± 15.5

0.57

115.3 ± 12.5

113.4 ± 13.7

0.76

Body mass index (kg/m2) (median and range)

22.9 ± 2.7

23.6 ± 3.3

0.29

22.9 ± 2.7

23.2 ± 2.1

0.58

ASA status class

  

0.83

  

1.00

 I

49 (89.0%)

192 (90.1%)

 

49 (89.0%)

49 (89.0%)

 

 II

6 (11.0%)

19 (9.9%)

 

6 (11.0%)

6 (11.0%)

 

Comorbidity

  

0.25

  

0.79

 Hypertension

2 (3.6%)

12 (5.6%)

 

2 (3.6%)

2 (3.6%)

 

 Diabetes mellitus

2 (3.6%)

3 (1.4%)

 

2 (3.6%)

1 (1.8%)

 

 Other

1 (1.8%)

4 (1.9%)

 

1 (1.8%)

2 (3.6%)

 

Maximal lesion size (mm)

9.8 ± 3.3

8.8 ± 3.9

0.21

9.8 ± 3.3

9.3 ± 3.7

0.62

Nodule depth (mm)

6.3 ± 4.7

7.1 ± 5.0

0.32

6.3 ± 4.7

6.7 ± 4.5

0.43

Lesion location

  

0.34

  

0.55

 Right upper lobe

15 (27.2%)

58 (27.4%)

 

15 (27.2%)

15 (27.3%)

 

 Right lower lobe

14 (25.4%)

48 (22.8%)

 

14 (25.4%)

12 (21.8%)

 

 Left upper lobe

13 (23.6%)

59 (30.0%)

 

13 (23.6%)

16 (29.1%)

 

 Left lower lobe

13 (23.6%)

46 (21.8%)

 

13 (23.6%)

12 (21.8%)

 
  1. ASA American Society of Anesthesiologists, FEV1 forced expiratory volume in 1 s