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Table 6 Change in ISS level (ISS <15 or ISS >15) when using AIS dictionary map.

From: Assessment of the effects and limitations of the 1998 to 2008 Abbreviated Injury Scale map using a large population-based dataset

  All patients Only patients with all codes
mappable to AIS08
Patients Incidence Patients Incidence
ISS >15 using AIS98     
   ISS >15 using mapped AIS08 8894 27.7% 6125 28.4%
   ISS <15 using mapped AIS08 3649 11.4% 1406 6.5%
   No injuries in current AIS map 276 0.9%   
ISS <15 using AIS98     
   ISS >15 using mapped AIS08 44 0.1% 37 0.2%
   ISS <15 using mapped AIS08 17982 56.0% 13969 64.9%
   No injuries in current AIS map 1289 4.0%   
Total patients 32134 100.0% 21537 100.0%
Total ISS >15 patients
using AIS98
12819   7531  
Projected decrease using
AIS08 (95% CI)
3605 28.1%
(27.4-28.9%)
1369 18.2%
(17.3-19.1%)