Laparoscopic versus open gastrectomy for elderly local advanced gastric cancer patients: study protocol of a phase II randomized controlled trial

Table 2 Schematic diagram for the schedule of enrolment, interventions, and assessments

TIMEPOINT	STUDY PERIOD
	Enrolment	Allocation	Post-allocation				Close-out
	-2 to − 4 weeks	0	1 week	4 weeks	Year 1 ^a	Year 2 ^a	Year 3 ^b
ENROLMENT:
Eligibility screen	X
Informed consent	X
Allocation		X
INTERVENTIONS:
Open gastrectomy			X
Laparoscopic gastrectomy			X
ASSESSMENTS:
Physical examination	X				X	X	X
Laboratory tests	X				X	X	X
Oncology assessment	X				X^c	X^c	X^c
Geriatric assessment	X
Surgical safety				X
Postoperative rehabilitation				X
Life quality					X^d
Survival status					X	X	X

ISSN: 1471-2407