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. 2019 May 1;14(5):e0216206. doi: 10.1371/journal.pone.0216206

Table 3. ISS comparison by manual coding versus ISS by mapped conversion for “Major Trauma” patient criterion ISS > 15.

Converted ISS                     Total
Mild <15 Major Trauma >15
Manual ISS Mild <15 528 4 532
Major Trauma >15 23 9 32
Total 551 13 564

Cases moved into ISS >15 by converted ISS = 4 (0.7%)

Cases moved into ISS <15 by converted ISS = 23 (4.1%)