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Table 1 Clinical and surgical characteristics of the study participants

From: Longitudinal changes in pulmonary function and patient-reported outcomes after lung cancer surgery

  

Type of surgery

P-value

 

Overall (N = 620)

Wedge resection/segmentectomy

Lobectomy

Bilobectomy/pneumonectomy

Characteristic

 

(n = 120, 19.4%)

(n = 477, 76.9%)

(n = 23, 3.7%)

Age, years

61.2 (9.0)

59.6 (9.2)

61.5 (9.0)

63.2 (7.8)

0.07

Sex, male

350 (56.5)

63 (52.5)

268 (56.2)

19 (82.6)

0.03

Body mass index, kg/m2

24.0 ± 2.9

    

Smoking status, ever smoker

319 (51.5)

54 (45.0)

247 (51.8)

18 (78.3)

0.01

Comorbidities

     

 COPDa

140 (22.8)

26 (21.7)

106 (22.2)

8 (34.8)

0.22

 Hypertension

211 (34.0)

31 (25.8)

170 (35.6)

10 (43.5)

0.08

 Diabetes mellitus

92 (14.8)

14 (11.7)

73 (15.3)

5 (21.7)

0.39

 Cardiovascular disease

16 (2.6)

4 (3.3)

12 (2.5)

0

0.64

Cell type

    

 < 0.01

 Adenocarcinoma

513 (82.7)

111 (92.5)

394 (82.6)

8 (34.8)

 

 Squamous cell

87 (14.0)

6 (5.0)

67 (14.1)

14 (60.9)

 

 Others

20 (3.2)

3 (2.5)

16 (3.4)

1 (4.4)

 

 Tumor size, cm

2.7 (1.5)

1.7 (0.7)

2.9 (1.5)

4.1 (1.9)

 < 0.01

Pathologic stage

    

 < 0.01

 I

451 (72.7)

116 (96.7)

330 (69.2)

5 (21.7)

 

 II

96 (15.5)

2 (1.7)

83 (17.4)

11 (47.8)

 

 III

70 (3.0)

2 (1.7)

62 (13.0)

6 (26.1)

 

 IV

3 (3.2)

0

2 (0.4)

1 (4.4)

 

Surgical approach (VATS, %)

490 (79.0)

112 (93.3)

373 (78.2)

5 (21.7)

 < 0.01

PPC, yes

49 (7.9)

10 (8.3)

36 (7.6)

3 (13.0)

0.62

Adjuvant treatment, yes

149 (24.0)

3 (2.5)

131 (27.5)

15 (65.2)

 < 0.01

  1. Values in the table are presented as mean ± standard deviation or n (%)
  2. COPD chronic obstructive pulmonary disease, VATS video-assisted thoracic surgery, PPC postoperative pulmonary complications
  3. aCOPD is defined as a pre-bronchodilator forced expiratory volume in 1 s/forced expiratory vital capacity < 70%