No

Variable

Min

Max

(M ± m)^*

(% ± m%)^**

Significance level, p

1

Sex

Men

83.9% ± 2.3%

0.93

Women

16.1% ± 2.3%

2

Age, years

34

77

60.7 ± 0.51

0.89

3

Height, cm

150

191

171.4 ± 0.46

0.89

4

Weight, kg

46

115

73.7 ± 0.84

0.56

5

BMI

16.9

38.9

25.1 ± 0.28

0.54

6

BMI (categorized)

<30 mg/m²

83.9% ± 2.3%

0.33

≥30 mg/m²

16.1% ± 2.3%

7

Localization, lung

Right

49.6% ± 3.1%

0.55

Left

50.4% ± 3.1%

8

Localization, lobe of lung

Upper

62.6% ± 3.0%

0.91

Middle

3.5% ± 1.2%

Lower

33.9% ± 3.0%

9

Localization

Central

39.8% ± 3.1%

0.48

Peripheral

60.2% ± 3.1%

10

Tumor size, cm

1.2

14

4.88% ± 1.13

<0.001

11

Tumor size, (categorized)

≥3 сm

78.0% ± 2.6%

0.002

<3 сm

22.0% ± 2.6%

12

Criterion “Т”

1

12.6% ± 2.1%

0.31

2

83.5% ± 2.3%

3

3.9% ± 1.2%

13

Criterion “N”

0

71.3% ± 2.8%

0.002

1

28.7% ± 2.8%

14

Stage

1

52.4% ± 3.1%

0.002

2

47.6% ± 3.1%

15

Histological form

Squamous

58.7% ± 3.1%

0.01

Non-squamous

41.3% ± 3.1%

16

Morphological differentiation

High

23.2% ± 2.6%

0.43

Moderate

50.8% ± 3.1%

Low

26.0% ± 2.8%

17

Presence of necrosis

Absent

55.5% ± 3.1%

0.44

Present

44.5% ± 3.1%

18

Infiltration of visceral pleura

Absent

57.5% ± 3.1%

0.48

Present

42.5% ± 3.1%

19

Volume of surgical intervention

Lobeectomy

63.0% ± 3.0%

0.002

Pneumonectomy

37.0% ± 3.0%

20

Volume of conducted lymph node dissection

Systemic

31.9% ± 2.9%

0.007

Sampling

68.1% ± 2.9%

21

Intraperitoneal delegation of lung blood vessels

Absent

87.8% ± 2.1%

0.018

Present

12.2% ± 2.1%

22

Adjuvant chemotherapy

Absent

60.2% ± 3.1%

0.91

Present

39.8% ± 3.1%