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Table 5 The Reclassification performances of each risk scoring system

From: Validation of the Asia-Pacific colorectal screening score and its modified versions in predicting colorectal advanced neoplasia in Chinese population

Scoring systems

Risk stratification

APCS

Reclassified (%)

NRI (95%C.I.)

P

High risk

Non-high-risk

CNS

CAN

High risk

73

8

9.88

0.41%

0.915

Non-high-risk

9

22

29.03

(−7.06 to 7.88%)

 

Others

High risk

655

132

16.77

  

Non-high-risk

154

751

17.02

  

KCS

 CAN

High risk

81

11

11.96

4.79%

0.136

Non-high-risk

1

19

5.00

(−1.50% to 11.08)

 

 Others

High risk

738

141

16.04

  

Non-high-risk

71

742

8.73

  

Modified APCS

 CAN

High risk

79

16

16.82

2.92%

0.470

Non-high-risk

3

14

17.65

(−5.00 to 10.84%)

 

 Others

High risk

710

246

25.73

  

Non-high-risk

99

637

13.45

  

8-point risk

 CAN

High risk

35

0

0

-10.34%

1.901

Non-high-risk

47

30

61.04

(−22.63 to 1.95%)

 

 Others

High risk

274

0

0

  

Non-high-risk

535

883

37.73

  
  1. NRI Net reclassification improvement, CI Confidence interval, CAN Colorectal advanced neoplasm