Association between preoperative frailty and myocardial injury after noncardiac surgery in geriatric patients: study protocol for a prospective, multicentre, real-world observational, cohort trial

Table 2 Study assessment procedures and timetable

	STUDY PERIOD
	Enrolment	Allocation	Postoperation			Close-out
TIMEPOINT	*-D1*	0	D1	D2	D3	*D30*
ENROLMENT
Eligibility screen	X
Informed consent	X
Allocation		X
ASSESSMENTS
MMSE	X
BI	X
mFI	X
aCCI	X
Primary outcome
MINS		X	X	X	X	X
Secondary outcomes
QoR-15			X	X	X
Postoperative complications			X	X	X	X
30-day all-cause mortality			X	X	X	X
30-day readmission			X	X	X	X

MMSE, Mini-Mental State Examination; BI, Barthel Index; mFI, modified frailty index; aCCI, age-adjusted Charlson Comorbidity Index; QoR-15, Quality of Recovery-15.

ISSN: 1471-2318