Is a Reporting System for Gastritis or Duodenitis (Modified Lanza Scale) Reproducible?
|The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.|
|ClinicalTrials.gov Identifier: NCT00852150|
Recruitment Status : Completed
First Posted : February 26, 2009
Last Update Posted : June 6, 2012
The modified Lanza scale (Lanza FL, 1984) has been widely utilized to grade the degree of gastritis and duodenitis. However, the inter-rater or intra-rater reproducibility of this scale has never been validated. As a quality improvement program, it is important to study the reproducibility of the scale between different operators and the operators himself.
Method: During upper endoscopic examinations, one investigator performed the procedure and the second investigator look at the endoscopic image. The degree of gastritis and duodenitis is graded. The results of the grading are blinded to the other investigator.
The endoscopic video is stored for reassessment to determine the intra-rater reliability. The patient identifier is stored in serial number. The investigator will not retrieve the report of the first assessment during the second assessment.
|Condition or disease|
|Study Type :||Observational|
|Estimated Enrollment :||200 participants|
|Official Title:||Reproducibility of Modified Lanza Scale for the Reporting of Gastritis and Duodenitis|
|Study Start Date :||March 2009|
|Actual Primary Completion Date :||December 2011|
|Actual Study Completion Date :||December 2011|
- Kappa coefficient for the intra and inter-rater agreement
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00852150
|China, Hong Kong|
|Wan Chai, Hong Kong, China|
|Hong Kong, China|
|Principal Investigator:||Fook Hong Ng, M.D.||Department of Medicine, Ruttonjee Hospital|