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Table 1 Baseline demographics and characteristics of patients before and after matching

From: Three-port single-intercostal versus multiple-intercostal thoracoscopic lobectomy for the treatment of lung cancer: a propensity-matched analysis

 

All patients

p value

Propensity-matched Patients

p value

Single intercostal (n = 190)

Multi-intercostal (n = 432)

Single intercostal (n = 186)

Multi-intercostal (n = 186)

Age(years)

59.2 (8.7)

61.3 (9.1)

0.060

59.7 (8.3)

59.9 (8.5)

0.847

Sex

  

0.221

  

0.834

Male

106 (55.8%)

218 (50.5%)

 

104 (55.9%)

106 (57.0%)

 

Female

84 (44.2%)

214 (49.5%)

 

82 (44.1%)

80 (43.0%)

 

FEV1 (L)

2.31 (0.43)

2.38 (0.52)

0.193

2.31 (0.43)

2.31 (0.49)

0.986

Smoking history

  

0.245

  

0.832

Yes

74 (38.9%)

156 (36.1%)

 

74 (39.8%)

72 (38.7%)

 

No

106 (61.1%)

276 (63.9%)

 

112 (60.2%)

114 (61.3%)

 

BMI(kg/m2)

22.7 (2.8)

23.1 (3.0)

0.313

22.7 (2.8)

23.4 (2.8)

0.112

Tumor size (cm)

2.1 (1.8)

2.4 (1.7)

0.238

2.1 (1.8)

2.2 (1.5)

0.787

Adenocarcinoma

168 (88.4%)

362 (83.8%)

0.135

164 (88.2%)

156 (83.9%)

0.232

Location

  

0.020

  

0.321

LUL

32 (16.8%)

70 (16.2%)

 

28 (15.1%)

28 (15.1%)

 

LLL

24 (12.6%)

98 (22.7%)

 

24 (12.9%)

32 (17.2%)

 

RUL

76 (40.0%)

126 (29.2%)

 

76 (40.9%)

58 (31.2%)

 

RML

16 (8.4%)

40 (9.3%)

 

16 (8.6%)

22 (11.8%)

 

RLL

42 (22.1%)

98 (22.7%)

 

42 (22.6%)

46 (24.7%)

 

Pathologic stage

  

0.050

  

0.389

I a

140 (73.7%)

278 (64.4%)

 

136 (73.1%)

133 (71.5%)

 

I b

6 (3.2%)

28 (6.5%)

 

6 (3.2%)

8 (4.3%)

 

II a

2 (1.1%)

16 (3.7%)

 

2 (1.1%)

8 (4.3%)

 

II b

20 (10.5%)

46 (10.6%)

 

20 (10.8%)

14 (7.5%)

 

III a

18 (9.5%)

60 (13.9%)

 

18 (9.7%)

20 (10.8%)

 

III b

4 (2.1%)

4 (0.9%)

 

4 (2.2%)

3 (1.6%)

 
  1. Data are presented as n (%) or mean (SD). FEV1 = forced expiratory volume in 1 second; BMI body mass index