Test characteristics with 95% Confidence Intervals
| Model | Sensitivity | Specificity | PPV | NPV | Undertriage (1-sensitivity) | Overtriage (1-PPV) |
| MPTT | 57.6% (56.9–58.2%) | 71.5% (71.2–71.8%) | 32.9% (32.4–33.3%) | 87.4% (87.2–87.7%) | 42.4% (41.8–43.0%) | 67.1% (66.5–67.7%) |
| Military Sieve | 28.0% (27.5–28.6%) | 94.1% (93.9–94.2%) | 53.3% (52.5–54.2%) | 84.4% (84.2–84.6%) | 72.0% (71.4–72.6%) | 46.7% (56.1–57.3%) |
| Triage Sieve | 12.9% (12.5–13.4%) | 96.7% (96.5–96.8%) | 48.4% (47.2– 49.6%) | 82.1% (81.9–82.3%) | 87.1% (86.7–87.5%) | 51.6% (51.0–52.2%) |
| START | 28.8% (28.2–29.4%) | 94.3% (94.2–94.4%) | 55.0% (54.2–55.9%) | 84.6% (84.3–84.8%) | 71.2% (70.6–71.8%) | 45.0% (44.4–45.6%) |
| Careflight | 23.6% (23.1–24.1%) | 95.9% (95.7–96.0%) | 57.9% (57.0–58.9%) | 83.8% (83.6–84.0%) | 76.4% (75.9–76.9%) | 42.1% (41.5–42.7%) |
MPTT: 12<RR>22, HR>100, GCS<14; Military Sieve: 10<RR>30, HR>120, GCS<13; Triage Sieve: 10<RR>30, HR>120;
START: RR>30, SBP<90, GCS<13;Careflight: SBP<90, GCS<13.
MPTT, Modified Physiological Triage Tool; NPV, negative predictive value; PPV, positive predictive value; SBP, systolic blood pressure.