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Table 1 Descriptive statistics for EMS data, including number of observations (n) and percent of total (%)

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

Variable BLS ALS
n (%) n (%)
Total calls 361,434 94,565
Average calls per day 394 103
Gender
  Male 174,667 (48) 48,779 (52)
  Female 186,767 (52) 45,786 (48)
Age group
  0–4 10,436 (3) 2,141 (2)
  5–14 11,414 (3) 1,654 (2)
  15–44 116,587 (32) 23,194 (25)
  45–64 9,887 (27) 30,426 (32)
  65–84 80,221 (22) 25,407 (27)
  85+ 43,899 (12) 11,743 (12)
Patient type
Trauma 47,005 (13) 6,127 (6.5)
Non-trauma 238,045 (66) 82,232 (87)
 Abdominal/genito-urinary 26,452 5,172
 Alcohol/drugs 17,353 4,253
 Anaphylaxis/allergic reaction 3,515 1,145
 Cardiovascular 30,259 24,130
 Metabolic/endocrine 9,439 4,286
   Diabetes 7,075 3,841
 Neurological 47,986 13,551
   Suspected CVA 6,432 1,354
   Suspected TIA 694 68
   Seizures 10,956 3,827
   Febrile seizures 1,037 289
 OBGYN 2,854 992
 Other medical 58,164 14,324
   Heat illness & dehydration 3,400 514
 Psychological 18,149 3,267
 Respiratory 23,874 11,112
   Asthma 1,130 583
  Emphysema/COPD 812 580
Not specified 76,384 (21) 6,206 (6.5)
Level of transportation 354526 93608
 No transportation 87,174 (25) 12,016 (13)
 Any transportation 267,352 (75) 81,592 (87)
  1. CVA cerebrovascular accident, TIA transient–ischemic attack, OBGYN obstetrics/gynecology, COPD chronic obstructive pulmonary disease