Both studies had very similar
ratios of stable/borderline patients and surprisingly, similar age and
gender distribution. The reason for lower ISS and NISS in the
JHH-S group was due to the lower AIS scores in the chest and
abdominal regions. There were no inclusion criteria in the RCT
specifying chest and abdominal injuries, but it can represent a
selection bias of patients in the RCT while in our database consecutive
patients were entered