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Table 3 Points per unit of linear predictor for RFS of ICC

From: Risk stratification system to predict recurrence of intrahepatic cholangiocarcinoma after hepatic resection

Grade

HBsAg

Tumor size

CP score

LNM

Risk index

Risk index range

Estimated RFS

3-year

5-year

1

Positive

≤ 5 cm

A

Absent

0

0 – 53

0 – 46

50% – 100%

2-1

Positive

> 5 cm

A

Absent

54

54 – 95

47 – 89

30% – 50%

2-2

Negative

≤ 5 cm

A

Absent

55

2-3

Positive

≤ 5 cm

A

Present

64

3-1

Positive

≤ 5 cm

B

Absent

100

96 – 117

90 – 111

20% – 30%

3-2

Negative

> 5 cm

A

Absent

109

4-1

Positive

> 5 cm

A

Present

118

118 – 273

112 – 273

0% – 20%

4-2

Negative

≤ 5 cm

A

Present

119

4-3

Positive

> 5 cm

B

Absent

154

4-4

Negative

≤ 5 cm

B

Absent

155

4-5

Positive

≤ 5 cm

B

Present

164

4-6

Negative

> 5 cm

A

Present

173

4-7

Negative

> 5 cm

B

Absent

209

4-8

Positive

> 5 cm

B

Present

218

4-9

Negative

≤ 5 cm

B

Present

219

4-10

Negative

> 5 cm

B

Present

273

  1. RFS relapse-free survival, ICC intrahepatic cholangiocarcinoma, HBsAg hepatitis B surface antigen, CP: Child-Pugh, LNM lymph node metastasis