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Table 1 Description of the two emergency departments and characteristics of patients visiting in 2013 and 2016

From: A longitudinal, retrospective registry-based validation study of RETTS©, the Swedish adult ED context version

  2013 2016 Total
ED visits 36,323 38,522 74,845
Age years, median (IQR) 61 (36) 61 (37) 61 (37)
Gender n (%)    
 Female 18,489 (51) 19,193 (50) 37,682 (50)
 Male 17,834 (49) 19,329 (50) 37,163 (50)
Arrival mode    
 Ambulancea 10,737 (30) 10,943 (28) 21,680 (29)
 Walkinga 21,396 (59) 24,295 (63) 45,691 (61)
 Missing 4190 (11) 3284 (9) 7474 (10)
Triage level n (%)    
 Red 1011 (3) 1357 (4) 2386 (3)
 Orange 4965 (14) 6307 (16) 11,272 (15)
 Yellow 21,374 (59) 23,469 (61) 44,843 (60)
 Green 8973 (25) 7371 (19) 16,344 (22)
No. of patients with one or more ACCI points at triage, per triage level n (%)    
 Red 848 (84) 1170 (85) 2018 (85)
 Orange 3459 (70) 4491 (71) 7950 (70)
 Yellow 13,835 (65) 14,771 (63) 28,606 (64)
 Green 5304 (59) 4124 (56) 9428 (58)
Time to see physician in minutes, median (IQR) 50 (71)b 55 (73)c 53 (72)d
Length of stay (LOS) in minutes, median (IQR) 153 (119) 180 (140) 166 (131)
Discharged n (%)    
 Home 19,729 (54) 22,928 (60) 42,657 (57)
 General ward 16,202 (45) 15,165 (39) 31,367 (42)
 Intensive care unit 326 (0.9) 303 (0.8) 629 (0.8)
 ED mortality 26 (0.1) 23 (0.1) 49 (0.1)
 LWBSe 40 (0.1) 103 (0.3) 143 (0.2)
  1. aWith and without referral
  2. bMissing 401 
  3. cMissing 1178
  4. dMissing 1579
  5. eLWBS, left without being seen by a physician