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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]
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Environmental Health

ISSN: 1476-069X