Table 3. Criteria of delay.

NPO: nulla per os.

Criteria of Case Delay	Definition	Events
Previous Case Run Over	Previous case runs over resulted in delay of the case to follow by 60 minutes	100
Case Order Change	Provider manipulated case order on the day of surgical procedure resulted in delay of case schedule time over 60 minutes	24
Provider Late	Provider is not in the operating room 15 minutes after the scheduled time, resulted in case delayed over 60 minutes	18
Patient Late	Patient is not in the preoperative holding area 30 minutes prior to the scheduled time and resulted in case delay over 60 minutes	12
Bump by Emergency	Emergency case takes priority for availability of room and provider, resulted in original case delay over 60 minutes	5
Patient Not NPO	Patient arrived at preoperative holding without adequate NPO status and resulted in case delay over 60 minutes	3
Others	Medical clearance required, patient is not ready, etc.	6
TOTAL		168