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Table 4 Relative risks (95 % CIs) for ALSa data by age group and health condition*

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

Patient type All ages Years
0–4 5–14 15–44 45–64 65–84 85+
All causes 1.14(1.09,1.2) 1.09(0.82,1.45) 0.78(0.55,1.11) 1.18(1.08,1.28) 1.2(1.11,1.29) 1.09(0.99,1.19) 1.13(1,1.26)
Trauma 1.13(0.91,1.17) 1.47(0.77,2.79) 0.97(0.46,2.03) 1.17(0.93,1.47) 1.16(0.83,1.61) 0.87(0.48,1.55) 0.75(0.28,2)
Non-Trauma 1.13(1.07,1.19) 0.98(0.7,1.37) 0.61(0.38,0.99) b 1.13(1.03,1.25) 1.19(1.1,1.29) 1.09(0.99,1.2) 1.13(1,1.27)
 Abdominal/Genito-Urinary 1.23(1.05,1.45) 1.77(0.23,13.93) 1.51(0.21,10.81) 1.2(0.82,1.75) 1.05(0.8,1.38) 1.3(0.97,1.74) 1.62(1.13,2.33)
 Alcohol/Drugs 1.04(0.85,1.28) 2.84(0.88,9.17) -- 0.89(0.67,1.18) 1.35(0.99,1.86) 0.83(0.34,2.05) 1.18(0.28,5.06)
 Anaphylaxis/Allergy 1.06(0.73,1.54) 0.71(0.17,3.04) 0.7(0.18,2.73) 1.35(0.81,2.24) 1.16(0.58,2.31) 0.72(0.19,2.8) --
 Cardiovascular 1.02(0.93,1.12) 0.67(0.09,4.95) -- 1.29(1.01,1.65) 1.06(0.93,1.22) 0.97(0.84,1.12) 0.89(0.72,1.11)
 Metabolic/Endocrine 1.14(0.94,1.39) -- 1.94(0.27,14.18) 1.07(0.72,1.57) 1.01(0.72,1.41) 1.29(0.93,1.79) 1.46(0.76,2.78)
  Diabetes 1.12(0.91,1.38) -- -- 1.07(0.72,1.61) 1.03(0.73,1.46) 1.28(0.9,1.81) 1.19(0.55,2.56)
 Neurological 1.12(1,1.25) 2.6(0.81,8.31) 0.22(0.05,0.86) c 1.23(1,1.51) 1.1(0.9,1.35) 1.13(0.91,1.42) 1.11(0.84,1.47)
  Suspected CVA 1.27(0.93,1.74) 1(0.65,1.53) -- 1.66(0.4,6.96) 0.92(0.44,1.93) 1.22(0.73,2.03) 1.61(0.95,2.73)
  Suspected TIA 2.55(0.92,7.06) 1(0.65,1.53) 1(0.66,1.53) 20(1.9,224) d 11.67(2.48,54.82) e 1.32(0.19,8.97) --
  Seizure 0.99(0.8,1.23) 0.81(0.36,1.83) 0.3(0.08,1.2) 1.21(0.9,1.63) 1(0.68,1.48) 0.84(0.4,1.75) 0.63(0.15,3.62)
  Febrile Seizure 1.01(0.47,2.18) 1.19(0.55,2.57) -- -- -- -- --
 OBGYN 1.14(0.76,1.7) -- -- 1.17(0.79,1.75) 2.4(0.33,17.57) -- --
 Other Medical 1.39(1.25,1.53) 0.97(0.43,2.22) 1.16(0.45,2.99) 1.15(0.9,1.48) 1.48(1.27,1.73) 1.42(1.19,1.69) 1.45(1.14,1.86)
  Heat Illness & Dehydration 7.07(5.38,9.3) 8.15(0.95,69.65) 10.2(2.17,47.89) f 8.6(4.7,1) g 7.21(4.45,11.67) 6.68(4.36,10) 5.97(3.16,11)
 Psychological 1.12(0.9,1.39) 6.79(0.82,56.32) 0.95(0.12,7.2) 1(0.73,1.38) 1.33(0.95,1.85) 0.76(0.34,1.7) 1.36(0.51,3.62)
 Respiratory 1.03(0.91,1.17) 0.84(0.44,1.61) 0.78(0.34,1.79) 1.08(0.79,1.47) 1.19(0.96,1.47) 0.9(0.72,1.13) 1.09(0.81,1.47)
  Asthma 1.3(0.83,2.03) 2.6(0.81,8.31) -- 1.59(0.84,3.04) 1(0.31,3.3) 1.15(0.28,4.73) 1.7(0.24,12.08)
  Emphysema/COPD 1.38 (0.85,2.23) 1(0.65,1.53) -- 5.81(0.72,47) 1.31(0.54,3.18) 1.38(0.74,2.6) 1.13(0.27,4.82)
  1. *Bolded relative risk values are significantly greater than 1 (p <0.05); -- indicates too few cases available to calculate
  2. a99th percentile (36.7 °C humidex)
  3. bWhile statistically significant, the estimate is based on a small number of cases [1137 cases on non-heat days, 17 cases on a heat day]
  4. cWhile statistically significant, the estimate is based on a small number of cases [379 cases on non-heat days, 2 cases on a heat day]
  5. dWhile statistically significant, the estimate is based on a small number of cases [2 cases on non-heat days, 1 cases on a heat day]
  6. eWhile statistically significant, the estimate is based on a small number of cases [7 cases on non-heat days, 2 cases on a heat day]
  7. fWhile statistically significant, the estimate is based on a small number of cases [8 cases on non-heat days, 2 cases on a heat day]
  8. gWhile statistically significant, the estimate is based on a small number of cases [71 cases on non-heat days, 15 cases on a heat day]