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Fig. 2 | Trials

Fig. 2

From: SIroliMus coated angioPlasty versus plain balloon angioplasty in the tREatment of dialySis acceSs dysfunctION (IMPRESSION): study protocol for a randomized controlled trial

Fig. 2

Schedule of enrollment, interventions, and assessments according to the SPIRIT 2013 Statement: Defining Standard Protocol Items for Clinical Trials.* The clinically driven fistulogram may be used in lieu of the 6-month follow-up ultrasound if it is performed within the window period of the scheduled 6-month ultrasound. The same rule applies to those patients who fall into the window period of the scheduled 12-month ultrasound

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