Table 1 Differences in clinicopathological parameters among LFR low or high subgroups

Age (y)

0.11

 < 60

88

45

43

 ≥ 60

101

64

37

Gender

0.54

 Male

119

71

48

 Female

70

38

32

Tobacco use history

0.20

 Never

132

72

60

 Current + former

57

37

20

Alcohol use history

0.13

 Never

117

62

55

 Current + former

72

47

25

Hypertension

0.86

 Without

150

86

64

 With

39

23

16

Type 2 diabetes

0.63

 Without

169

96

73

 With

20

13

7

Tumor sites

0.62

 Right

52

28

24

 Left

137

81

56

Histological grade

0.22

 Well + moderate

160

89

71

 Poor

29

20

9

Mucinous constituent

0.25

 Without

156

93

63

 With

33

16

17

Tumor deposits

0.01*

 Without

172

94

78

 With

17

15

2

CEA level

< 0.01*

 Normal

120

60

60

 Elevated

69

49

20

CA19-9 level

0.04*

 Normal

160

87

73

 Elevated

29

22

7

Combined T stages

< 0.01*

 T₁ + T₂

52

16

36

 T₃ + T₄

137

93

44

Combined N stages

0.13

 N₀

115

61

54

 N_{1 +} N₂

74

48

26

TNM stages

< 0.01*

 I

40

12

28

 II

77

50

27

 III

72

47

25

BMI (kg/m²)

189

22.95 ± 3.62

23.83 ± 3.42

0.09