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. 2006 Jan;23(1):47–50. doi: 10.1136/emj.2005.024893

Table 2 PTT: results by ISS, NISS, and presence of one or more Garner criteria.

ISS (%) 95% CI NISS (%) 95% CI Garner (%) 95% CI
Sensitivity 37.8 32.7–42.5 26.1 23–28.8 41.5 36.8–45.6
Specificity 98.6 98.3–98.8 98.9 98.5–99.1 98.9 98.6–99.2
Overtriage 38.8 32.3–47.9 30.5 23.2–38.8 29.5 22.7–37.5
Undertriage 3.5 3.2–3.8 6.9 6.7–7.2 3.5 3.3–3.8