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Table 1 Clinical and functional characteristics of all the study patients.a,b

From: Redox Imbalance in Lung Cancer of Patients with Underlying Chronic Respiratory Conditions

Anthropometric variables

Controls, N = 17

LC, N = 21

LC-COPD, N = 59

LC-COPD, moderate smokers, N = 24

LC-COPD, heavy smokers, N = 35

Age, years

61 (13)

63 (12)

67 (10)

69 (10)

66 (10)

Male/female, N

8/9

14/7

57/2

23/1

34/1

BMI, kg/m2

26 (3)

27 (4)

25 (4)

25 (4)

26 (5)

Smoking history

     

Current: N, %

3, 18

11, 52¶¶¶

36, 61¶¶¶,**

11, 46

25, 71§§

Ex-smoker: N, %

2, 12

6, 29¶¶¶

23, 39¶¶¶**

13, 54

10, 29§§

Never smoker: N, %

12, 70

4, 19¶¶¶

0, 0¶¶¶,**

0, 0

0, 0

Pack-years

35 (19)

51 (23)

64 (22)¶,*

45 (8)

77 (18)§§§

Lung function testing

     

FEV1, % predicted

102 (14)

91 (9)

58 (13)¶¶¶,***

59 (13)

56 (13)

FEV1/FVC, % predicted

80 (6)

76 (6)

61 (8)¶¶¶,***

61 (6)

61 (9)

DLco, % predicted

97 (11)

89 (13)

68 (18)¶¶¶,***

67 (18)

69 (18)

Kco, % predicted

91 (12)

88 (10)

79 (20)¶¶,*

79 (20)

79 (21)

TNM staging

     

Stage IA: N, %

NA

5, 24

8, 13

4, 16

4, 11

Stage IB: N, %

NA

1, 5

9, 16

5, 20

4, 11

Stage IIA: N, %

NA

0

5, 8

1, 5

4, 11

Stage IIB: N, %

NA

3, 14

2, 3

1, 5

1, 4

Stage IIIA: N, %

NA

4, 19

10, 18

3, 12

7, 20

Stage IIIB: N, %

NA

4, 19

6, 10

1, 4

5, 14

Stage IV: N, %

NA

4, 19

19, 32

9, 38

10, 29

Histological diagnosis

     

Squamous cell

NA

7, 33

23, 39

10, 42

13, 37

carcinoma: N, %

     

Adenocarcinoma: N, %

NA

10, 48

23, 39

9, 37

14, 40

Others: N, %

NA

4, 19

13, 22

5, 21

8, 23

Blood parameters

     

Total leucocytes/µL

6 × 103 (2.1 × 103)

9 × 103 (2.1 × 103)¶¶

8 × 103 (2.1 × 103)¶¶

8 × 103 (2.2 × 103)

9 × 103 (1.9 × 103)

Total neutrophils/µL

4 × 103 (1.9 × 103)

6 × 103 (2.2 × 103)¶¶

6 × 103 (1.7 × 103)¶¶

6 × 103 (1.7 × 103)

6 × 103 (1.7 × 103)

Total lymphocytes/µL

2 × 103 (559)

2 × 103 (622)

2 × 103 (664)

1 × 103 (614)

2 × 103 (660)§

Albumin, g/dL

4.0 (0.4)

4.3 (0.3)

4.1 (0.4)

4.1 (0.4)

4 (0.4)

Total proteins, g/dL

7.2 (0.5)

7.5 (0.5)

7.4 (0.5)

7.3 (0.5)

7.4 (0.5)

Fibrinogen, mg/dL

405 (57)

474 (97.6)

445 (148.6)

419 (148.2)

469 (148)

CRP, mg/dL

0.4 (0.3)

1.3 (1.3)

4.8 (6.5)¶¶¶,**

5.75 (6.6)

4.1 (6.3)

GSV, mm/h

16.1 (11.1)

20.1 (9.7)

29.6 (29)

30 (32)

29 (27)

Ceruloplasmin, g/dL

22.8 (4.6)

25.7 (4.8)

30.3 (7.2)

34 (9)

29 (5.8)

Body weight loss, kg

     

0: N, %

0, 0

19, 90.4¶¶¶

38, 65¶¶¶,***

18, 75

20, 57§§§

1–4: N, %

0, 0

1, 4.8¶¶¶

6, 10¶¶¶,***

2, 9

411§§§

5–8: N, %

1, 100

1, 4.8¶¶¶

13, 22¶¶¶,***

4, 16

9, 26§§§

9–12: N, %

0, 0

0, 0¶¶¶

2, 3¶¶¶,***

0, 0

2, 6§§§

  1. FEV1, forced expiratory volume in the first second; FVC, forced vital capacity; DLco, carbon monoxide transfer; Kco, Krogh transfer factor; NA, not applicable.
  2. aContinuous variables are presented as mean (standard deviation), while categorical variables are presented as the number of patients in each group and percentage of the total population.
  3. bStatistical analyses and significance: p < 0.05, ¶¶p < 0.01, ¶¶¶p < 0.001 between any of the study patients (LC and LC-COPD as a group) and the controls; *p < 0.05, ** p < 0.01, ***p < 0.001 between LC-COPD patients as a group and LC patients; §p < 0.05, §§p < 0.01, §§§p < 0.001 between LC-COPD heavy smokers and LC-COPD moderate smokers in the post hoc analyses.