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Table 1 Comparison of variables between the two techniques

From: Comparison of emergency airway management techniques in the performance of emergent Cricothyrotomy

  Overall (n = 51) Scalpel-bougie-tube (n = 27) Surgical cricothyrotomy technique (n = 24) p-value
Age 45.2 ± 19.93 46.04 ± 19.7 44.25 ± 20.57 0.7528
Glasgow Coma Scale 9 (3, 15) 4 (3, 12) 15 (8.5, 15) 0.0036
Injury severity score 23 (16, 28) 22 (16, 30) 24.5 (17, 27) 0.896
Systolic blood pressure 113.75 ± 49.93 93 ± 54.27 137.08 ± 31.88 0.0009
Diastolic blood pressure 66.1 ± 29.76 54.7 ± 35.58 78.92 ± 13.06 0.0023
Pulse 83.98 ± 41.65 71.7 ± 49.67 98.39 ± 23.35 0.0173
Respiratory rate 17.12 ± 10.23 12.71 ± 12.37 21.52 ± 4.55 0.0051
Gender 0.3709
 Female 12 (23.5%) 5 (18.5%) 7 (29.2%)  
 Male 39 (76.5%) 22 (81.5%) 17 (70.8%)  
Race 0.8935
 Caucasian 13 (25.5%) 7 (25.9%) 6 (25%)  
 African American 12 (23.5%) 7 (25.9%) 5 (20.8%)  
 Asian 3 (5.9%) 2 (7.4%) 1 (4.2%)  
 Hispanic 23 (45.1%) 11 (40.7%) 12 (50%)  
Indication for EC     0.2861
 Airway obstruction (pharyngeal mass or angioedema) 12 (23.5%) 4 (14.8%) 8 (33.3%)  
 Facial/neck trauma (blunt and penetrating) 23 (45.1%) 14 (51.9%) 9 (37.5%)  
 Failed endotracheal intubations 16 (31.4%) 9 (33.3%) 7 (29.2%)  
Mortality 0.2172*
 Alive 37 (72.6%) 15 (55.6%) 22 (91.7%)  
Patients who arrived at the hospital without vital signs and had resuscitative efforts terminated in the trauma bay within 15 minutes of arrival 7 (13.7%) 7 (25.9%) 0 (0%)  
 Dead 7 (13.7%) 5 (18.5%) 2 (8.3%)  
Complications
 Earlya 0 0 0 not applicable
 Latea 0 0 0 not applicable
  1. *SBT Scalpel-bougie-tube, SCT Surgical cricothyrotomy technique, EC Emergent cricothyrotomy *The comparison on morality between SBT and SCT excluded 7 patients who arrived at the hospital without vital signs and had resuscitative efforts terminated in the trauma bay within 15 minutes of arrival; aEarly complications were defined as failure, hypoxia, bleeding, tracheal perforation, fistula formation, scarring, and lacerations to the thyroid, tracheal cartilage, tracheal rings, cricoid, vessels, nerves, esophagus, cartilage, and muscle. Late complications are defined as infection, non-adhesion, subglottic stenosis and voice changes