Table 7
Author, date, and countryPatient groupStudy type (level of evidence)OutcomesKey resultsStudy weaknesses
Gataure PS et al, 1996, UK100 patients undergoing elective surgery randomly split into 2 equal groups. Group 1 were intubated using 2 attempts with a bougie followed by a stylet while group 2 were intubated with 2 attempts with a stylet followed by a bougie.RCTSuccess rate after 2 attempts48/50 (96%) v 33/50 (66%) p<0.001Not tested with grade 4 views. The study did not compare lighted stylets against bougies and unlighted stylets
Mean time for 2 intubation30.1 sec v 36.6 secThe study used simulated difficult intubations rather than actual difficult intubations
Simulated grade 3 views were used.
Bougie v stylet