Table 3.

Dimensions of uncertainty according to the Beresford model domain.

Beresford Model Domain	Previous Uncertainties Model [24]	Observed Factors		Evidence (Scenes are from Table A1)
		(From Schedule Sheets)	(From Observation)
Conceptual uncertainty	Condition compliance		Patient medical condition 1	Scene 3, Scene 8
		Emergency cases		Table 1
Technical uncertainty	Resource availability	Schedule punctuality	Preparation, Indeterminate schedule	Scene 1, Scene 2, Scene 6, Scene 7
		OR availability	Communication, schedule updates	Scene 2, Scene 3, Scene 5
			Surgery duration, skill/competency 1	Scene 2, Scene 7
		Additional cases		Table 1
Personal uncertainty	Change consent		“Patient care” consent 1	Scene 8
			Communication	Scene 3, Scene 4
			Scheduling conflict	Scene 7, Scene 8

¹ Observed factors related to patients and surgeons.