age
gender
asa
BMI
Mallampati
Randomization
attempt1_time
attempt1_S_F
attempt2_time
attempt2_assigned_method
attempt2_S_F
attempt3_time
attempt3_assigned_method
attempt3_S_F
attempts
failures
total_intubation_time
intubation_overall_S_F
bleeding
ease
sore_throat