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Table 1 Description of emergency calls where live video from bystanders’ smartphones were added compared with retrospective emergency calls without video. Data are given by frequency (N) and percentage (%)

From: Live video from bystanders’ smartphones to medical dispatchers in real emergencies

  Live video
N = 700
No-Video
N = 60,216
Patient characteristics
 Male patient 314 (53.7%) 26,183 (51.6%)
Patient age (years)
 0–9 156 (26.7%) 2923 (5.7%)
 10–39 193 (33.0%) 12,156 (24.0%)
 40–79 189, (32.3%) 27,342 (53.9%)
  ≥ 80 47 (8.0%) 8313 (16.4%)
Final main Criteria/symptoma
 Unconscious (lifeless) adult (from puberty) 87 (12.4%) 1649 (2.8%)
 Seizures / convulsions 64 (9.1%) 2576 (4.3%)
 Accidents 60 (8.6%) 6225 (10.5%)
 Wounds, fractures, minor injuries 51 (7.3%) 3574 (6.0%)
 Intoxication, poisoning, drug overdose 48 (6.9%) 3407 (5.7%)
 Sick children 44 (6.3%) 563 (1.0%)
 Altered levels of consciousness / paralysis 39 (5.6%) 6159 (10.4%)
 Unclear problem 38 (5.4%) 5990 (10.1%)
 Breathing difficulties 32 (4.6%) 4243 (7.2%)
 Allergic reaction 23 (3.3%) 492 (0.8%)
 Chest pain 11 (1.6%) 6262 (10.5%)
Call characteristics
 Daytime (07:00–14:59) 281 (40.6%) 23,910 (40.2%)
 Evening (15:00–22:59) 310 (44.7%) 22,544 (37.9%)
 Night-time (23:00–06:59) 102 (14.7%) 12,997 (21.8%)
 Length of call (sec), mean (SD) 423 (202) 242 (145)
 Weekend 222 (32.0%) 19,490 (32.8%)
  1. aMain criteria is the final main criteria given from Danish Index to the emergency call. Presented are the ten most frequent used criteria when adding video and last the main critera with the largest difference between the calls with video and without video
  2. Missing values: Patients characteristics (n = 115 and n = 8780), Final main Criteria/symptom (n = 88 and n = 5546), and Call characteristics (n = 7 and n = 765), for emergency calls with live video and for the reference group without video, respectively