The recovery time , extubation time and mechanical ventilation time of group M were 58.0 ( interquartile range ( IQR ) , 39.0 ) hours , 45.0 ( IQR , 24.5 ) hours , and 192.0 ( IQR , 124.0 ) hours , respectively ; these were significantly longer than the other groups , while they were similar between the other two groups .