Effect of electroacupuncture on discomfort during gastroscopy: a study protocol for a randomized controlled trial

Table 4 Schedule of enrolment, intervention, and assessments

Timepoint	Screening	Baseline	Intervention		Operation			Follow-up
Timepoint	Screening	Baseline	Before	After	Before	During	30 min after endoscopy	Day 7
Basic information
Informed consent	X
Inclusion/exclusion	X	X
Interventions
EA			X	X
SEA			X	X
Assessments
Primary outcome
Discomfort VAS							X
Secondary outcomes
Discomfort VAS							X	X
STAI-S6			X	X
APAIS			X	X
HR BP and SpO2					X	X	X
Preference in a future endoscopy							X	X
The duration of the gastroscopy							X
The number of biopsies							X
Others
Adverse events			X	X	X	X	X	X
Patient satisfaction							X
Success of blinding							X

EA electroacupuncture, SEA sham electroacupuncture, VAS visual analogue scales, STAI-S6 six-item short form of the State-Trait Anxiety Inventory, APAIS Amsterdam Pre-operative Anxiety and Information Scale, HR heart rate, BP blood pressure, SpO2 oxygen saturation

ISSN: 1745-6215