Table 1

Successful (first attempt) orotracheal intubation (OTI) by specialty (anaesthesia, intensive care and emergency medicine) by OTI technique

Techniques used for OTI (T)Successful first OTI attempt, % (n)P value
OverallAnaesthesia (A)Intensive care (IC)Emergency (E)
DL+stylet no AMS (1)77.8 (21)100 (9)66.7 (6)66.7 (6)0.14
DL+AMS (HME filter without stylet) (2)66.7 (18)100 (9)44.5 (4)55.5 (5)0.03; A>IC
DL+AMS (stylet) (3)85.2 (23)100 (9)88.9 (8)66.7 (6)0.12
VL+AMS (HME filter without stylet) (4)29.6 (8)88.9 (8)0.0 (0)0.0 (0)0.001; A>IC, A>E
VL+AMS (stylet) (5)77.8 (21)100 (9)77.8 (7)55.5 (5)0.07
  • Values expressed in % (n). Analysis between techniques (T1–T5) by medical specialty—χ2 test: for anaesthesiologists (p=0.39); for intensivists T4<T1–T3 (p=0.001); for emergency medicine physicians T4<T1–T3 (p=0.02); overall T4<T1–T3 (p<0.0001).

  • AMS, aerosol-mitigating strategy (during OTI); DL, direct laryngoscopy; HME, heat and moisture exchanger; VL, videolaryngoscopy.