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Table 1 Summary statistics of ISS and number of diagnostic codes per patient.

From: ISS mapped from ICD-9-CM by a novel freeware versus traditional coding: a comparative study

 

Mean

Standard deviation

Median

Min-max

Directly-calculated ISS

24

11

22

1-59

ICDPIC-calculated ISS

18

13

16

4-75

Number of AIS codes per patient

5

3

4

1-14

Number of ICD codes per patient

3

2

3

1-6

  1. ISS = Injury Severity Score