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Table 4 For 80,638 patients in NTDB whose injuries were coded using ICD-10-CM and who had been registered with an Injury Severity Score (ISSAIS), the percentages who were categorized as shown into ISS categories by ISSAIS and by ICDPIC-R (RISS, using the ROCmax method)

From: Open-access programs for injury categorization using ICD-9 or ICD-10

RISS, ROCmax Method

 

1–8

9–15

16–24

25–40

41–49

50–75

Uncoded

ISSAIS

 1–8

41.5

7.4

1.1

1.1

0.0

0.0

0.0

 9–15

15.6

12.3

4.2

1.1

0.0

0.0

0

 16–24

2.3

2.6

3.6

1.0

0.1

0.0

0

 25–40

0.6

0.8

2.2

1.6

0.1

0.1

0

 41–49

0.0

0.1

0.1

0.2

0.1

0.0

0

 50–75

0.0

0.0

0.1

0.2

0.1

0.1

0