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Table 2 Association between CRP and clinicopathologic parameters (n = 343)

From: Roles of preoperative C-reactive protein are more relevant in buccal cancer than other subsites

Characteristic

CRP

p value

Negative

Positive

Pathologic tumor status

 Early (T1–T2) (n = 210)

181

(86.2%)

29

(13.8%)

<0.001

 Advanced (T3–T4) (n = 133)

68

(51.1%)

65

(48.9%)

 

Pathologic N stage

 N0 (n = 201)

156

(77.6%)

45

(22.4%)

0.006

 N1 (n = 47)

36

(76.6%)

11

(23.4%)

0.002 a

 N2 (n = 94)

57

(60.6%)

37

(39.4%)

 

 N3 (n = 1)

0

(0.0%)

1

(100.0%)

 

Nodal status

 (−) metastasis, (−) ECS (n = 201)

156

(77.6%)

45

(22.4%)

0.006

 (+) metastasis, (−) ECS (n = 59)

44

(74.6%)

15

(25.4%)

0.002 a

 (+) metastasis, (+) ECS (n = 83)

49

(59.0%)

34

(41.0%)

 

Differentiation

 Well (n = 107)

77

(72.0%)

30

(28.0%)

0.308

 Moderate (n = 192)

144

(75.0%)

48

(25.0%)

0.538a

 Poor (n = 44)

28

(63.6%)

16

(36.4%)

 

Tumor stage

 Early (I–II) (n = 142)

123

(86.6%)

19

(13.4%)

<0.001

 Advanced (III–IV) (n = 201)

126

(62.7%)

75

(37.3%)

 

Skin invasion

 No (n = 304)

231

(76.0%)

73

(24.0%)

<0.001

 Yes (n = 39)

18

(46.2%)

21

(53.8%)

 

Nerve invasion

 No (n = 229)

171

(74.7%)

58

(25.3%)

0.221

 Yes (n = 114)

78

(68.4%)

36

(31.6%)

 

Blood vessel invasion

 No (n = 331)

242

(73.1%)

89

(26.9%)

0.322b

 Yes (n = 12)

7

(58.3%)

5

(41.7%)

 

Lymphatic invasion

 No (n = 334)

245

(73.4%)

89

(26.6%)

0.068b

 Yes (n = 9)

4

(44.4%)

5

(55.6%)

 

Tumor depth (≥10 mm)

 No (n = 160)

137

(85.6%)

23

(14.4%)

<0.001

 Yes (n = 183)

112

(61.2%)

71

(38.8%)

 

Bone invasion

 No (n = 275)

215

(78.2%)

60

(21.8%)

<0.001

 Yes (n = 68)

34

(50.0%)

34

(50.0%)

 
  1. ECS extracapsular spread
  2. aχ2 trend test
  3. bFisher’s exact test