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Table 1 Clinical, pathological and surgical features of D1-plus and D2 matched cohorts

From: D1-plus vs D2 nodal dissection in gastric cancer: a propensity score matched comparison and review of published literature

 

D1-plus

D2

P value

DF

Power 1-Betaa

n

%

n

%

Sex

 Female

40.0

43.0

39.0

43.0

   

 Male

53.0

57.0

54.0

57.0

   

 Total

93.0

100.0

93.0

100.0

1

1

0.98

Age (years)

 Mean; SD

67.8

11.6

65.5

13.0

   

 Median

69.0

 

68.0

    

 Range

31.0

87.0

29.0

88.0

0.20

 

0.98

Procedure

 Sub-total Gastrectomies

61.0

65.6

67.0

65.6

   

 Total Gastrectomies

32.0

34.4

26.0

34.4

   

 Total

93.0

100.0

93.0

100.0

0.42

1

0.98

T Stage

n

%

n

%

   

T1 -T2

56.0

60.2

49.0

60.2

   

T3-T4

37.0

39.8

44.0

39.8

   

Total

93.0

100.0

93.0

100.0

0.37

1

0.98

N Stage

 N0

34.0

36.6

32.0

36.6

   

 N positive

59.0

63.4

61.0

63.4

   

 Total

93.0

100.0

93.0

100.0

0.87

1

0.98

LNH

 Mean; SD

27.2

12.5

31.2

13.9

   

 Median

26.0

 

29.0

    

 Range

2.0

71.0

1.0

64.0

0.04

 

0.98

N Positivity

 Mean; SD

5.7

9.3

4.9

7.8

   

 Median

2.0

 

1.0

    

 Range

0.0

48.0

0.0

40.0

0.53

 

0.98

LNH < 15

 LNH < 15

13.0

14.0

7.0

7.5

   

 LNH ≥ 15

80.0

86.0

86.0

92.5

   

 Total

93.0

100.0

93.0

100.0

0.22

1

0.98

LNR

 LNR0

34.0

36.6

32.0

36.6

   

 LNR1

9.0

9.7

15.0

9.7

   

 LNR2

8.0

8.6

10.0

8.6

   

 LNR3

13.0

14.0

10.0

14.0

   

 LNR4

8.0

8.6

6.0

8.6

   

 LNR5

21.0

22.6

20.0

22.6

   

 Total

93.0

100.0

93.0

100.0

0.77

5

0.9

Stage

 Stage 1–2

61.0

65.6

52.0

65.6

   

 Stage 3–4

32.0

34.4

41.0

34.4

   

 Total

93.0

100.0

93.0

100.0

0.22

1

0.98

Grading

 G1-G2

26.0

28.6

32.0

38.1

   

 G3-G4

65.0

71.4

52.0

61.9

   

 Total

91.0

100.0

84.0

100.0

0.23

1

0.97

Lauren Classification

 Intestinal

49.0

73.1

51.0

66.2

   

 Diffuse

18.0

26.9

26.0

33.8

   

 Total

67.0

100.0

77.0

100.0

0.47

1

0.94

Adjuvant Chemotherapy

 Performed

47.0

50.5

53.0

50.5

   

 Not Performed

46.0

49.5

40.0

49.5

   

 Total

93.0

100.0

93.0

100.0

0.46

1

0.98

Relapses

 Yes

34.0

36.6

33.0

36.6

   

 No

59.0

63.4

60.0

63.4

   

 Total

93.0

100.0

93.0

100.0

1

1

 

Follow up (months)

 Mean; SD

36.8

26.4

83.5

68.9

   

 Median

32.5

 

63.0

 

< 0.0001

 

0.98

 Range

3.0

100.0

3.0

267.0

   
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