Table 1 Baseline characteristics of Patients.

From: Unveiling the beneficial techniques in lung segmentectomy by using a stapler tractor for vascular dissection based on surgical video replay

Variables

Teaching period

Learning period

Total

N = 323

Non-used

n = 71

Used

n = 252

P value

Total

N = 58

Non-used

n = 27

Used

n = 31

P value

Age (year)

57.39 ± 11.78

57.68 ± 10.32

57.31 ± 12.18

0.819

53.86 ± 10.86

54.30 ± 9.97

53.48 ± 11.74

0.780

Sex (M/F)

138/185

30/41

108/144

0.928

25/33

11/16

14/17

0.735

Smoking (no/yes)

244/79

57/14

187/65

0.293

40/18

19/8

21/10

0.829

Tumor size (cm)

1.45 ± 0.61

1.37 ± 0.60

1.48 ± 0.61

0.191

1.41 ± 0.52

1.43 ± 0.56

1.39 ± 0.48

0.963

Affected side (R/L)

145/178

41/30

114/138

0.062

33/25

15/12

18/13

0.874

Comorbidity (no/yes)

        

Heart disease

252/71

54/17

198/54

0.651

46/12

21/6

25/6

0.788

COPD

252/71

57/14

195/57

0.602

42/16

20/7

22/9

0.792

Diabetes

279/44

58/13

221/31

0.192

47/11

21/6

26/5

0.555

Hypertension

242/81

50/21

192/60

0.322

45/13

22/5

23/8

0.507

Cerebrovascular

280/43

59/12

221/31

0.314

280/43

24/3

24/7

0.311

Type of surgery

   

-

    

S1

26

5

21

 

5

2

3

 

S2

33

7

26

 

3

1

2

 

S3

35

11

24

 

4

2

2

 

S6

57

9

48

 

14

6

8

 

S8

21

4

17

 

5

2

3

 

S8 + S9

8

2

6

 

5

3

2

 

S9 + S10

14

6

8

 

3

1

2

 

Basal

34

12

22

 

7

4

3

 

S1+2

37

4

33

 

3

1

2

 

S1+2+S3

30

7

23

 

4

2

2

 

Lingula

28

4

24

 

5

3

2

 
  1. M, male; F, female; R, right; L, left; COPD, chronic obstructive pulmonary disease; S1, apical segment; S2, posterior segment; S3, anterior segment; S6, superior segment; S8, anterior basal segment; S8 + S9, anterior basal and lateral basal segment; S9 + S10, lateral basal and posterior basal segment; S1+2, apical posterior segment; S1+2+S3, apical posterior segment and anterior segment of left upper lobe; PE, pulmonary embolism.
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