Table 4. Results of the team Delphi experiment, categorising the predicted relationship between Oxford NOTECHS II and glitch category.

Delphi results	Glitch categories with Delphi ranking
Likely to correlate	1. Planning and preparation
	2. Communication
	3. Absence
	4. Process deviation
Potentially correlate	5. Training
	6. Distractions
	7. Health and safety
	8. Workspace
	9. Maintenance
	10. Maintenance equipment
Will not correlate	Slips
	Environment
	Equipment design
	Patient related factors