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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