Table 2.

Baseline data collected at enrolment

Nurses	Patients
Age	Age
Sex	Sex
Dominant hand	Type of AVF
Years of experience in dialysis	Comorbidities
Years of experience with cannulation	Other relevant medical history
Years of experience with ultrasound	Time on haemodialysis
Employment status (full- or part-time)	Frequency of haemodialysis
Completed level of education	Date of AVF creation and first cannulation
Completion of formal or informal ultrasound training
Frequency of use of ultrasound use to assess AVFs
Frequency of use of ultrasound to guide cannulation
Circumstance that prompt to use the ultrasound for guidance