Wouter Leclercq

Personalised perioperative care by e-health after intermediate-grade abdominal surgery: A multicentre, single-blind, randomised, placebo-controlled trial 167 10 171 allocated to the control group 173 allocated to the intervention group 172 received an account for the intervention website 1 did not receive an account due to a logistical problem 344 randomly assigned 896 assessed for eligibility 1031 patients identified from the surgical waiting list 167 included in intention -to-treat analyses 163 included in intention -to-treat analyses 4 lost to follow up forprimary outcome 1 social problems 1 technical error of the questionnaire 2 questionnaires not completed without reason 10lost to follow-up for primary outcome 2 took too much time 1 social problems 2 no need for it because of a quick recovery 3 complicated postoperative course 4 questionnaires not completed without reason 552 excluded 33 did not meet inclusion criteria 1 age >75 years 1 radiotherapy or chemotherapy 1 combination with other procedure 5 comorbid factor 25 no understanding of Dutch language 499 declined to participate 20 baseline questionnaire not completed before surgery 135 not reached 1 deceased 38 surgery cancelled oral ready done 96 not reached in time Figure 10.2 Trial profile.