70 years of age. Conclusions The results show that emergency medicine based on 816 000 Norwegians mainly consists of medical problems, where the majority of the patients have a non-life-threatening situation. More focus on the emergency system outside hospitals, including triage and dispatch, and how to best deal with "everyday" emergency problems is needed to secure knowledge based decisions for the future organization of the emergency system."/>
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Table 4 The most frequent used Index categories by time of day and NACA-score.

From: The epidemiology of medical emergency contacts outside hospitals in Norway - a prospective population based study

  A01/02
Unconscious
A05
Ordered mission
A06
Inconclusive problem
A10
Chest pain
A34/35
Accidents
All other categories Total
  n % n % n % n % n % n % n %
Time of day
0800-1529 170 41 367 43 275 39 393 36 256 45 439 34 1 897 39
1530-2259 137 34 292 34 266 38 368 34 211 38 447 35 1 721 35
2300-0759 103 25 199 23 160 23 332 30 97 17 388 31 1 279 26
Total 410 100 858 100 701 100 1 093 100 561 100 1 274 100 4 897 100
NACA-score
0-1 38 10 44 6 95 15 87 9 101 19 86 7 451 10
2-3 163 43 465 59 418 65 631 65 326 62 747 63 2 750 61
4-6 117 30 265 34 96 15 243 25 83 16 318 27 1 122 25
7 64 17 11 1 37 5 10 1 14 3 30 3 166 4
Total 382 100 785 100 646 100 971 100 524 100 1 118 100 4 489 100
  1. Due to some missing data total numbers will not add up to 4 924 for all groups.