Table 1.

Interview guide.

Topic	Guiding questions	Possible follow-up questions
General experience with the BUCa	“I am curious to know how you feel when using BUC”	“How did it impact your clinical performance?” “How does using BUC impact your decision-making?”
General experience with the BUC	“What are your thoughts about the impact of BUC on patient safety”	“Under what conditions do you think BUC can cause harm to the patient or give the wrong recommendation?” “Can you please share your experience when BUC helped you perform better?” “Did it ever happen when BUC helped you correct or negatively impacted your decision – can you elaborate on that with an example”
Workload	“Clinicians are often overloaded with work. How do you feel BUC has helped reduce or increase some of your workloads?”	“Can you give an example when BUC made things easier, which otherwise would require more work” “Can you give an example when BUC made things difficult or confusing that otherwise would be easy”
Decision-making	“When you give the final recommendation about the number of blood units to be transfused for a patient – how do you know when to go with the BUC recommendation and when to make your judgment?”	“Can you elaborate on how you make a judgment when the BUC recommendation contradicts your decision?” “Have you ever changed your decision after looking at the BUC recommendation? Can you please elaborate?”
Closure	“Thank you for taking the time to share your BUC experience. Is there anything else you think I should know?”	N/Ab

^aBUC: blood utilization calculator.

^bN/A: not applicable.