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. 2012 Aug 17;6:9. doi: 10.1186/1752-2897-6-9

Table 4.

Number and proportions of included patients with major trauma according to the different definitions and perceived triage precision

Definition of major trauma Number of major trauma patients (% of total population) Perceived undertriage (%) with 95% CI Perceived overtriage (%) with 95% CI
ISS Traditional
470 (34.0)
23.4 (19.6 – 27.2)
66.9 (64.1 – 69.7)
ISS Extended
515 (37.2)
22.9 (19.3 – 26.5)
63.5 (60.7 – 66.4)
ISS Extensive
539 (38.9)
23.6 (20.0 – 27.1)
62.2 (59.3 – 65.0)
NISS Traditional
585 (42.3)
28.4 (24.7 – 32.0)
61.5 (58.6 – 64.4)
NISS Extended
629 (45.4)
27.7 (24.2 – 31.2)
58.2 (55.3 – 61.1)
NISS Extensive
641 (46.3)
27.8 (24.3 – 31.2)
57.5 (54.5 – 60.4)
Extended
132 (9.5)
12.9 (7.2 – 18.6)
89.4 (87.6 – 91.3)
Extensive 313 (22.6) 15.3 (11.3 – 19.3) 75.7 (73.1 – 78.2)