Hypotension prediction index guided goal-directed therapy to reduce postoperative acute kidney injury during major abdominal surgery: study protocol for a multicenter randomized controlled clinical trial

Table 1 Participant timeline

Event/Visit	Revision	Preoperative	Surgery	Hospital discharge	30 days after IQ
Criteria of inclusion/exclusion	x
Informed consent	x
Demographic information		x
Medical history		x
Height and weight		x
Randomization		x
Intraoperative			x
Hemodynamic algorithm			x
Review of medical notes			x	x	x
ICU days and hospitalization				x
Follow-up					x
Notification of adverse effects			x	x	x

ISSN: 1745-6215