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Table 1 Characteristics of patients receiving airway management in the emergency department

From: A comparison of emergency airway management between neuromuscular blockades alone and rapid sequence intubation: an analysis of multicenter prospective study

Patient characteristic All (n = 852) NMB alone (n = 114) RSI (n = 738) P value
Age, median (IQR), years 63 (48–76) 57 (39–72) 64 (50–76) 0.001
 Age ≥18 years, n (%) 829 (97) 112 (98) 717 (97) 0.50
Female sex, n (%) 327 (38) 42 (37) 285 (39) 0.72
Body weight, mean (SD), kg 60 (14) 62 (13) 59 (14) 0.07
Primary indication, n (%)a <0.0001
 Medical encounters 668 (78) 96 (84) 572 (78)  
  Altered mental status 301 (35) 78 (68) 223 (30)  
  Respiratory failure 241 (28) 5 (4) 236 (32)  
  Shock 104 (12) 12 (11) 89 (12)  
  Airway obstruction 9 (1) 0 (0) 10 (1)  
  Asthma 6 (1) 0 (0) 6 (1)  
  Other medical 7 (1) 0 (0) 7 (1)  
 Trauma encounter 184 (22) 18 (16) 166 (22)  
  Head trauma 74 (9) 12 (11) 62 (8)  
  Shock 59 (7) 5 (4) 54 (7)  
  Multiple trauma 8 (1) 0 (0) 8 (1)  
  Facial/neck trauma 15 (2) 1 (1) 14 (2)  
  Burn/inhalation 22 (3) 0 (0) 22 (3)  
  Other trauma 6 (1) 0 (0) 6 (1)  
Type of sedatives, n (%)a
 Midazolam 420 (49) 0 (0) 420 (57)  
 Diazepam 100 (12) 0 (0) 100 (14)  
 Propofol 98 (12) 0 (0) 98 (13)  
 Ketamine 83 (10) 0 (0) 83 (11)  
 Opioid 17 (2) 0 (0) 17 (2)  
 Others 20 (2) 0 (0) 20 (3)  
Type of NMB, n (%)a
 Rocuronium 601 (71) 81 (71) 520 (70)  
 Vecuronium 180 (21) 27 (24) 153 (21)  
 Succinylcholine 71 (8) 6 (5) 65 (9)  
Specialty of first intubator, n (%)a 0.016
 Emergency physician 192 (23) 21 (18) 171 (23)  
 Emergency medicine resident 157 (18) 24 (21) 133 (18)  
 Transitional year residentb 381 (45) 62 (54) 319 (43)  
 Other 122 (14) 7 (6) 115 (16)  
  1. IQR interquartile range, SD standard deviation, NMB neuromuscular blockade RSI rapid sequence intubation
  2. aPercentages may not equal 100 due to rounding
  3. bDefined as post graduate years 1 or 2