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Table 1 SPIRIT figure illustrating study events and timings.

From: Point-of-care ultrasound-guided cannulation versus standard cannulation in haemodialysis vascular access: protocol for a controlled random order crossover pilot and feasibility study

  1. -t1 prior to allocation; t0 time zero, at allocation; t1 time 1, after the first ultrasound cannulation; t2 time 2, after each cannulation.
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Pilot and Feasibility Studies

ISSN: 2055-5784