Skip to main content

Table 4 Symptoms with specificity < 50% (RS-1 NACA ≥4)

From: Emergency physician’s dispatch by a paramedic-staffed emergency medical communication centre: sensitivity, specificity and search for a reference standard

Symptoms Specificity [95% CI] Sensitivity [95% CI]
Cardiac arrest or death* 19.6% [16–23.5%] 98.9% [97.7–99.6%]
Seizure / febrile condition in children under 6 years 20.5% [16.6–24.9%] 93.5% [82.1–98.6%]
Polytrauma (or suspicion) 25% [7.3–52.4%] 88.9% [70.8–97.6%]
Newborn and infant evaluation 36.9% [25.3–49.8%] 77.3% [54.6–92.2%]
Choking* 45.2% [35.4–55.3%] 82.6% [68.6–92.2%]
Respiratory difficulty in children under 6 years 45.2% [40.5–50%] 87.8% [79.6–93.5%]
  1. *Specific dispatch protocol for symptom assessment