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. 2022 Feb 28;66(5):625–633. doi: 10.1111/aas.14049

TABLE 1.

Description of emergency medical services (EMS) calls

Variable All EMS calls (n = 76,233)
Patient
Female 55.5%
Age, years 59.5 (22.5)
Number of prior EMS calls during past 365 days 1 (0–3)
Living in a nursing home 4.7%
Death within 30 days after non‐conveyance 1.3%
Dispatch
Person who made EMS call
Patient 35.1%
Family member 21.0%
Bystander 24.3%
Medical professional 9.4%
Police or rescue department responder 1.3%
Final dispatch code
Malaise 15.0%
Suspected decline in vital functions 14.0%
Falling over 12.9%
Chest pain 8.9%
Musculoskeletal pain 6.3%
Shortness of breath 5.8%
Mental illness 2.7%
Other 34.4%
Dispatch triage level
A 2.3%
B 19.4%
C 49.3%
D 28.8%
EMS call
Highest level of non‐physician unit on scene
Basic life support 78.2%
Advanced life support 21.2%
First responder unit (fire engine) only 0.1%
EMS physician on‐scene 0.9%
EMS physician consulted 12.0%
On‐scene time, minutes 21.0 (16–29)
Measurements taken
Heart rate 95.0%
Blood pressure 94.8%
Blood oxygen saturation 87.6%
Body temperature 69.1%
Level of consciousness 63.0%
Respiratory rate 47.1%
Breath alcohol content 30.9%
Treatment given
Intravenous fluids 2.2%
Any medication 0.9%
Supplemental oxygen 0.1%
Reason for non‐conveyance
No transport required 88.3%
Treated on the scene 5.0%
Other means of transport 4.9%
Taken into police custody 1.5%
Other assistance requested 0.3%

Data are presented as mean (standard deviation), median (interquartile range), or percentage.