Trial Outcomes & Findings for Chronic Gastrointestinal Sequelae of an Acute Outbreak of Bacterial Gastroenteritis in Walkerton Ontario (NCT NCT00235326)

NCT ID: NCT00235326

Last Updated: 2009-04-22

Results Overview

Recruitment status

COMPLETED

Target enrollment

4561 participants

Primary outcome timeframe

8 years

Results posted on

2009-04-22

Participant Flow

Residents of Walkerton in may 2000

Age less than 16, non-residents of walkerton, premorbid Inflammatory Bowel disease(IBD) /Irritable bowel syndrome(IBS)

Participant milestones

Participant milestones
Measure
Unexposed to Gastroenteritis
Exposed to Gastroenteritis
Overall Study
STARTED
1575
2986
Overall Study
COMPLETED
829
1586
Overall Study
NOT COMPLETED
746
1400

Reasons for withdrawal

Reasons for withdrawal
Measure
Unexposed to Gastroenteritis
Exposed to Gastroenteritis
Overall Study
Lost to Follow-up
746
1400

Baseline Characteristics

Chronic Gastrointestinal Sequelae of an Acute Outbreak of Bacterial Gastroenteritis in Walkerton Ontario

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Unexposed to Gastroenteritis
n=1575 Participants
Exposed to Gastroenteritis
n=2986 Participants
Total
n=4561 Participants
Total of all reporting groups
Age, Categorical
<=18 years
471 Participants
n=93 Participants
907 Participants
n=4 Participants
1378.0 Participants
n=27 Participants
Age, Categorical
Between 18 and 65 years
905 Participants
n=93 Participants
1810 Participants
n=4 Participants
2715.0 Participants
n=27 Participants
Age, Categorical
>=65 years
199 Participants
n=93 Participants
269 Participants
n=4 Participants
468.0 Participants
n=27 Participants
Age Continuous
36.96 years
STANDARD_DEVIATION 22.76 • n=93 Participants
34.97 years
STANDARD_DEVIATION 21.61 • n=4 Participants
35.66 years
STANDARD_DEVIATION 22.03 • n=27 Participants
Sex: Female, Male
Female
892 Participants
n=93 Participants
1665 Participants
n=4 Participants
2557.0 Participants
n=27 Participants
Sex: Female, Male
Male
683 Participants
n=93 Participants
1321 Participants
n=4 Participants
2004.0 Participants
n=27 Participants
Region of Enrollment
Canada
1575 participants
n=93 Participants
2986 participants
n=4 Participants
4561.0 participants
n=27 Participants

PRIMARY outcome

Timeframe: 8 years

Outcome measures

Outcome measures
Measure
Unexposed to Gastroenteritis
n=829 Participants
Exposed to Gastroenteritis
n=1586 Participants
Number of Participants With Post Infectious Irritable Bowel Syndrome
23 participants
114 participants

Adverse Events

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

John Marshall

McMaster University

Phone: 9055212100

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: LTE60