Intubation attempt Mean time (SD) p value       C-MAC 1 22 (8) 0.050 C-MAC 2 19 (7) 0.833 C-MAC 3 17 (6) 0.015 C-MAC 4 16 (6) 0.001 C-MAC 5 16 (6) 0.002 Macintosh   19 (6)   C-MAC (2 weeks)   19 (9) 0.195 Macintosh (2 weeks)   17 (4)   C-MAC (12 weeks)   16 (4) 0.054 Macintosh (12 weeks)   15 (4)

Table 1: Intubation attempt, mean intubation time in seconds and (SD). Initial five attempts with C-MAC, each one compared with one attempt at Macintosh. At 2 weeks and 12 weeks, C-MAC attempt is compared with respective attempts at Macintosh.