Table 3. Duration times of operating room stages.

	Operating room stages	Mean	P80
1	Operating room time	197.3	285
2	Interval between patient arrival and beginning of anesthesia	12.3	15
3	Time between the beginning of anesthesia and beginning of surgery	36.1	54
4	Duration of anesthesia	178.1	252
5	Operative time	130.5	195
6	Interval between the end of the surgery and the end of anesthesia	11.6	28
7	Interval between the end of anesthesia and patient exit from the OR	19.8	33
	Awakening time + time to exit the OR (6+7)	31.4	61

OR: operating room.