Table 1: Showing success and failure to extubate in PACU post cardiac surgery.

Success group Failure group
Time taken to be extubated in PACU
≤ 240 mins > 240 mins
N = 279 121 70 88
Percentage within success group 63.4 36.6
Overall percentage 43.4 25.1 31.5
Median duration (mins) 205.0 (185.0, 220.0) 260.0 (277.5, 311.3)

PACU: Post Anaesthesia Care Unit.