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Developing a Multivariable Prediction Model of Global Health-related Quality of Life in Patients Treated for Rectal Cancer: a Prospective Study in Five Countries

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Date 2024 Mar 5
PMID 38441657
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Abstract

Purpose: Rectal cancer and its treatment have a negative impact on health-related quality of life (HRQoL). If risk factors for sustained low HRQoL could be identified early, ideally before the start of treatment, individualised interventions could be identified and implemented to maintain or improve HRQoL. The study aimed to develop a multivariable prediction model for global HRQoL 12 months after rectal cancer treatment.

Methods: Within COLOR II, a randomised, multicentre, international trial of laparoscopic and open surgery for rectal cancer, a sub-study on HRQoL included 385 patients in 12 hospitals and five countries. The HRQoL study was optional for hospitals in the COLOR II trial. EORTC QLQ-C30 and EORTC QLQ-CR38 were analysed preoperatively and at 1 and 12 months postoperatively. In exploratory analyses, correlations between age, sex, fatigue, pain, ASA classification, complications, and symptoms after surgery to HRQoL were studied. Bivariate initial analyses were followed by multivariate regression models.

Results: Patient characteristics and clinical factors explained 4-10% of the variation in global HRQoL. The patient-reported outcomes from EORTC QLQ-C30 explained 55-65% of the variation in global HRQoL. The predominant predictors were fatigue and pain, which significantly impacted global HRQoL at all time points measured.

Conclusion: We found that fatigue and pain were two significant factors associated with posttreatment global HRQoL in patients treated for rectal cancer T1-T3 Nx. Interventions to reduce fatigue and pain could enhance global HRQoL after rectal cancer treatment.

Trial Registration: This trial is registered with ClinicalTrials.gov No. NCT00297791.

Citing Articles

Association between Physical Activity and Quality of Life in Colorectal Cancer Patients with Postoperative Defecatory Dysfunction: A Preliminary Survey.

Nakagawa H, Hatanaka S, Kato Y, Matsumoto S, Tanaka K, Sasai H Healthcare (Basel). 2024; 12(14).

PMID: 39057587 PMC: 11276377. DOI: 10.3390/healthcare12141444.

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