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Assurance de qualité pour le cancer rectal – phase 2 ...

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KCE Reports 81 PROCARE <strong>–</strong> <strong>phase</strong> 2 61Tab<strong>le</strong> 54. (y)pCRM mentioned in mm in the pathology report, measuredwith prospective PROCARE data.NPatients with <strong>rectal</strong> <strong>cancer</strong> 1071Proportion treated with surgery 1058Proportion treated with radical resection 1018Proportion with pathology data (<strong>de</strong>nominator) 968Proportion with (y)pCRM mentioned in mm (numerator) 706 (73%)Tumour regression gra<strong>de</strong> mentioned in the pathology report (afterneoadjuvant treatment)DEFINITIONNumerator: all patients with RC that un<strong>de</strong>rwent surgery and neoadjuvant treatment, andhaving their tumour regression gra<strong>de</strong> mentioned in the pathology report.Denominator: all patients with RC that un<strong>de</strong>rwent surgery and neoadjuvant treatment.Exclusion:• patients not treated with surgery• patients not treated with neoadjuvant treatmentRESULTSIn only 9% of the PROCARE patients treated with neoadjuvant therapy and surgery, thetumour regression gra<strong>de</strong> is mentioned in the report (Tab<strong>le</strong> 55). For 129 of the 1058patients treated with surgery, no information was availab<strong>le</strong> on neoadjuvant treatment.Above this, for 21 of the 596 patients receiving neoadjuvant treatment, no pathologydata were availab<strong>le</strong> (total missings: 150/1071, 14%).As for the quality of TME, registration of the tumour regression gra<strong>de</strong> only started inNovember 2006. Above this, different classification systems are used across theparticipating centres. Therefore, the result is probably un<strong>de</strong>restimated and not reliab<strong>le</strong>.Also, i<strong>de</strong>ally only long course radiotherapy is taken into account.This QI is measurab<strong>le</strong> for 52 centres using the prospective database. Four centres havea score of at <strong>le</strong>ast 50%, whi<strong>le</strong> 39 centres have a score of 0%. Eight and 9 centres have ascore above the weighted (9%; 95%CI 7 <strong>–</strong> 12%) and unweighted mean (8%; 95%CI 2 <strong>–</strong>13%) respectively. For the correct interpretation of these results, risk-adjustment (e.g.neoadjuvant treatment regimen, interval to surgery) is necessary.No administrative co<strong>de</strong> exists for the tumour regression gra<strong>de</strong>, which are also data thatcan only be retrieved from the medical fi<strong>le</strong>. The QI is therefore not measurab<strong>le</strong> for theadministrative cohort.Tab<strong>le</strong> 55. Tumour regression gra<strong>de</strong> mentioned in the pathology report,measured with prospective PROCARE data.NPatients with <strong>rectal</strong> <strong>cancer</strong> 1071Proportion treated with surgery 1058Proportion treated neoadjuvant therapy 596Proportion with pathology data (<strong>de</strong>nominator) 575Proportion with tumour regression gra<strong>de</strong> mentioned (numerator) 53DiscussionOverall, 5 QI related to histopathologic examination were measurab<strong>le</strong> using theprospective database, whi<strong>le</strong> none were measurab<strong>le</strong> using the administrative databases(Tab<strong>le</strong> 56). The most important reason for not being measurab<strong>le</strong> is the absence ofadministrative co<strong>de</strong>s for clinical results, e.g. (y)pCRM. Such clinical information can onlybe retrieved from medical fi<strong>le</strong>s and the anatomopathological report itself.In November 2006, the pathology section of the PROCARE data entry form un<strong>de</strong>rwentrevision, with some variab<strong>le</strong>s only being registered from then on.

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