Table 2 Univariate and multivariate analyses to detect possible risk factors for postoperative complications.

From: Differences of clinical features and outcomes between male and female elderly patients in gastric cancer

 

≥ Grade II

< Grade II

Univariate analysis

Multivariate analysis

n = 45

n = 250

P-value

OR

95% CI

P-value

Gender

    

0.045

2.15

1.03–4.46

0.040

 Male

34

76%

147

59%

    

 Female

11

24%

103

41%

    

Age (years)

    

0.799

   

 ≥ 85

4

9%

30

12%

    

 < 85

41

91%

220

88%

    

BMI (kg/m2)

    

0.229

   

 ≥ 25

12

27%

47

19%

    

 < 25

33

73%

203

81%

    

Histological type

    

1

   

 Undifferentiated

17

38%

94

38%

    

 Differentiated

28

62%

156

62%

    

Lymphatic invasion

    

0.259

   

 Positive

18

40%

124

50%

    

 Negative

27

60%

126

50%

    

Venous invasion

    

0.193

   

 Positive

20

44%

140

56%

    

 Negative

25

56%

110

44%

    

Tumor location

    

0.1

   

 U

17

38%

63

25%

    

 M and L

28

62%

187

75%

    

Pathological N status

    

0.06

   

 N3

8

18%

21

8%

    

 N0–2

37

82%

229

92%

    

Pathological T status

    

0.145

   

 T4

9

20%

29

12%

    

 T1–3

36

80%

221

88%

    

Tumor size (mm)

    

0.483

   

 ≥ 60

15

33%

71

28%

    

 < 60

30

67%

179

72%

    

Surgical approach

    

0.015

2.73

1.16–6.39

0.021

 Open

38

84%

166

66%

    

 Laparoscopic

7

16%

84

34%

    

Surgical procedure

    

0.048

   

 Total

23

49%

69

28%

    

 Distal, proximal

22

51%

181

72%

    

Comorbidities

    

1.000

   

 Positive

35

78%

162

65%

    

 Negative

10

22%

88

35%

    

Extent of lymph node

    

0.121

   

 Limited

18

40%

99

40%

    

 Standard

27

60%

151

60%

    
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