Family Practice Advance Access originally published online on May 9, 2007
Family Practice 2007 24(3):252-258; doi:10.1093/fampra/cmm011
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Measuring the severity of upper gastrointestinal complaints: does GP assessment correspond with patients’ self-assessment?
a Department of General Practice, Research Institute Caphri, Maastricht University, Maastricht the Netherlands
b Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Nijmegen the Netherlands
c Department of Health Promotion and Health Education, Research Institute Caphri, Maastricht University, Maastricht, the Netherlands
Correspondence to: GAJ Fransen, Department of General Practice, Caphri Research Institute, Maastricht University, PO Box 616, 6200 MD Maastricht, the Netherlands; Email: gerdinefransen{at}hotmail.com
Received 19 June 2006; Accepted 18 March 2007.
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Abstract |
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Background. Questionnaires are frequently used to measure the severity of gastrointestinal (GI) complaints. These questionnaires can either be filled out by the physicians or by the patients, but it is not clear whether these scores correspond. This study aimed to investigate the interrater agreement between physician-reported severity and patient-reported severity concerning the patients’ upper GI complaints.
Methods. In a prospective observational study, the severity of eight GI complaints was registered by both patients and GPs independently on a seven-point scale (n = 316) before and after treatment with esomeprazole. Weighted kappa values for the agreement on the severity and simple kappa values for the agreement on the absence or presence of symptoms were calculated.
Results. The weighted kappa values ranged from 0.14 to 0.68 indicating poor to moderate agreement. The agreement on the presence or absence of symptoms was similar. Several systematic differences in scoring were found: the GPs tended to underestimate the severity of belching, nausea, early satiety, vomiting and upper and lower abdominal pain. Furthermore, the treatment effect for belching and lower abdominal pain was more often overestimated, while the treatment effect for nausea was more often underestimated by the GP.
Conclusion. The agreement between GP and patient is low. The differences in scoring should be kept in mind when comparing physician-reported outcomes with patient-reported outcomes.
Keywords. Agreement, dyspepsia, family medicine, gastroenterology, questionnaire.
Fransen GAJ, Janssen MJR, Muris JWM, Mesters I and Knottnerus JA. Measuring the severity of upper gastrointestinal complaints: does GP assessment correspond with patients’ self-assessment? Family Practice 2007; 24: 252–258.
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