Skip to main content

Table 5 Relative risks (95 % CIs) of transportation of BLSa and ALSb calls*

From: Impacts of extreme heat on emergency medical service calls in King County, Washington, 2007–2012: relative risk and time series analyses of basic and advanced life support

  All ages Age groups (years)
0–4 5–14 15–44 45–64 65–84 85+
No transportation
 BLS 1.12 (1.09,1.15) 1.20 (1.09,1.32) 1.08 (0.98,1.18) 1.14 (1.10,1.19) 1.12 (1.07,1.17) 1.10 (1.05,1.15) 1.07 (1.00,1.14)
 ALS 1.20 (1.07,1.35) 1.46 (0.80,2.68) 0.50 (0.18,1.38) 1.32 (1.08,1.62) 1.26 (1.04,1.53) 1.06 (0.83,1.36) 1.13 (0.81,1.59)
Any transportation
 BLS 1.06 (1.05,1.08) 1.11 (1.02,1.20) 1.05 (0.97,1.14) 1.09 (1.06,1.12) 1.08 (1.05,1.10) 1.04 (1.01,1.07) 1.00 (0.97,1.04)
 ALS 1.14 (1.08,1.20) 1.02 (0.75,1.40) 0.86 (0.59,1.24) 1.14 (1.04,1.26) 1.20 (1.10,1.30) 1.09 (1.00,1.20) 1.12 (0.99,1.27)
  1. *Bolded relative risks are significantly greater than 1 (p <0.05)
  2. a95th percentile (29.7 °C humidex)
  3. b99th percentile (36.7 °C humidex)