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Table 3 Relative risks (95 % CIs) for BLSa 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 Age groups (years)
0–4 5–14 15–44 45–64 65–84 85+
All causes 1.08(1.06,1.09) 1.14(1.07,1.21) 1.07(1,1.14) 1.11(1.08,1.13) 1.09(1.07,1.12) 1.05(1.03,1.08) 1.02(0.99,1.05)
Trauma 1.13(1.07,1.18) 1.35(1.18,1.54) 1.11(0.98,1.25) 1.16(1.09,1.23) 1.12(1.05,1.2) 1.15(0.97,1.37) 1.07(0.89,1.29)
Non-Trauma 1.06(1.04,1.08) 1.09(1,1.18) 1.04(0.95,1.14) 1.09(1.06,1.12) 1.07(1.05,1.1) 1.03(1.01,1.07) 1.02(0.98,1.06)
 Abdominal/Genito-Urinary 1.04(1,1.08) 1.15(0.81,1.64) 1.25(0.96,1.62) 1.04(0.98,1.11) 1.07(1,1.14) 0.98(0.9,1.07) 1.02(0.91,1.14)
 Alcohol/Drugs 1.08(1.03,1.14) 1.11(0.82,1.51) 1.07(0.74,1.54) 1.06(0.99,1.13) 1.13(1.04,1.23) 1.01(0.84,1.2) 1.19(0.84,1.69)
 Anaphylaxis/Allergy 1.14(1.02,1.27) 1.29(0.96,1.73) 0.93(0.67,1.28) 1.07(0.9,1.26) 1.23(1.01,1.51) 1.24(09.4,1.63) 1.12(0.71,1.71)
 Cardiovascular 0.97(0.93,1.01) 1.61(0.92,2.83) 0.45(0.19,1.1) 0.99(0.88,1.1) 1.03(0.97,1.1) 0.93(0.87,0.99) 0.93(0.85,1.02)
 Metabolic/Endocrine 1.11(1.04,1.18) 1.23(0.47,3.19) 1.2(0.6,2.44) 0.98(0.86,1.11) 1.15(1.04,1.27) 1.18(1.05,1.32) 1.12(1.05,1.19)
  Diabetes 1.08(1.01,1.16) 0.77(0.17,3.5) 1.19(0.5,2.83) 0.92(0.79,1.07) 1.14(1.02,1.28) 1.16(1.02,1.32) 1(0.74,1.35)
 Neurological 1.03(1,1.06) 1(0.87,1.15) 0.99(0.83,1.17) 1.06(1,1.12) 1.03(0.97,1.09) 1.02(0.97,1.08) 0.99(0.92,1.07)
  Suspected CVA 0.97(0.89,1.05) 0.57(0.06,4.95) -- 1.2(0.85,1.71) 0.94(0.8,1.12) 0.97(0.86,1.1) 0.96(0.83,1.11)
  Suspected TIA 0.6(0.42,0.85) 1(0.82,1.22) 1(0.82,1.22) -- 0.7(0.37,1.36) 0.64(0.4,1.02) 0.57(0.34,0.96) b
  Seizures 1.01(0.95,1.08) 1.09(0.87,1.37) 0.96(0.76,1.22) 1.03(0.94,1.12) 1.03(0.92,1.15) 0.85(0.68,1.08) 0.91(0.6,1.37)
  Febrile Seizures 0.96(0.8,1.15) 0.96(0.79,1.16) 1.2(0.55,2.6) 0.67(0.16,2.79) 1.64(0.56,4.76) 1.48(0.17,12.76) 0.35(0.05,2.58)
 OBGYN 1.06(0.95,1.19) 0.87(0.29,2.59) 0.67(0.07,6.04) 1.07(0.95,1.2) 1.15(0.65,2.02) 0.53(0.12,2.38) 0.95(0.37,2.41)
  Other Medical 1.17(1.13,1.2) 1.22(1.05,1.42) 1.26(1.06,1.49) 1.24(1.18,1.31) 1.14(1.09,1.2) 1.16(1.1,1.21) 1.12(1.05,1.19)
  Heat Illness & Dehydration 3.43(3.07,3.84) 3.89(2.08,7.29) 4.22(2.67,6.69) 4.41(3.65,5.32) 4.09(3.39,4.93) 2.91(2.52,3.37) 2.63(2.19,3.15)
 Psychological 1.03(0.98,1.08) 1.68(0.78,3.6) 0.99(0.72,1.34) 1.07(1.01,1.14) 0.99(0.91,1.08) 0.93(0.8,1.07) 0.84(0.64,1.1)
  Respiratory 0.99(0.95,1.04) 0.95(0.81,1.12) 0.77(0.45,1.32) 0.86(0.68,1.09) 1.01(0.94,1.09) 1.08(0.92,1.25) 1.06(0.86,1.31)
  Asthma 1.02(0.85,1.23) 1.42(0.84,2.41) 0.77(0.44,1.33) 1.1(0.83,1.46) 0.84(0.56,1.25) 1.09(0.66,1.8) 1.47(0.55,3.93)
  Emphysema/COPD 0.95(0.77,1.18) 1(0.82,1.22) -- 0.82(0.1,6.38) 0.87(0.57,1.33) 1.16(0.88,1.52) 0.41(0.18,0.96) c
  1. *Bolded relative risk values are significantly greater than 1 (p <0.05); -- indicates too few cases available to calculate
  2. a95th percentile (29.7 °C humidex)
  3. bWhile statistically significant, the estimate is based on a small number of cases [221 cases on non-heat days, 17 cases on heat days]
  4. cWhile statistically significant, the estimate is based on a small number of cases [107 cases on non-heat days, 6 cases on heat days]