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Table 1 Information provided to patients during four points of contact

From: Effects of a short message service (SMS) by cellular phone to improve compliance with fasting guidelines in patients undergoing elective surgery: a retrospective observational study

Verbal instructions at outpatient clinic
Morning list patients
 - Fast from midnight for solids
 - Fast from 06:30 for clear fluids
Afternoon list patients
 - Fast from 07:30 for solids
 - Fast from 11:30 for clear fluids
Both groups received verbal information on reasons for fasting, aspiration risk, and details of what constituted solids and clear fluids, as outlined in the methods.
Written instructions in mail (color brochure)
Morning list patients
 - Fast from midnight for solids
 - Fast from 06:30 for clear fluids
Afternoon list patients
 - Fast from 07:30 for solids
 - Fast from 11:30 for clear fluids
Both groups received written information on reasons for fasting, aspiration risk, and details of what constituted solids and clear fluids, as outlined in the methods.
Verbal instructions by telephone 1 day prior to surgery
Morning list patients
 - Fast from midnight for solids
 - Fast from 06:30 for clear fluids.
Afternoon list patients
 - Fast from 07:30 for solids
 - Fast from 11:30 for clear fluids
Both groups received verbal information on reasons for fasting, aspiration risk, and details of what constituted solids and clear fluids, as outlined in the methods.
SMS reminder
Morning list patients
 - Fast from midnight for solids
 - Fast from 06:30 for clear fluids
Afternoon list patients
 - Fast from 07:30 for solids
 - Fast from 11:30 for clear fluids