A Latent Class Analysis of Nutrition Impact Symptoms in Cancer Survivors

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Abstract

Those with a cancer diagnosis report experiencing a wide range of nutrition impact symptoms, the prevalence of which varies by study, group, and cancer type. We aimed to identify groups of cancer survivors with specific patterns of nutrition impact symptoms. Two hundred and twenty-nine individuals attending oncology day ward and outpatient clinics completed a series of questionnaires and physical measurements. A latent class analysis was performed to identify subgroups based on 13 nutrition impact symptoms taken from the Patient Generated Subjective Global Assessment short form. The identified classes were subsequently compared using analysis of variance and chi-square tests, by sociodemographic, clinical and nutritional variables, and by the Global Health Status (GHS) and five functioning scales determined using the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30). Three latent subtypes were identified: (1) Fatigue (n = 58, 28%); (2) Low Symptom Burden (n = 146, 64%), and (3) High Symptom Burden (n = 25, 11%). Those in the High Symptom Burden group were more likely to be female, were currently receiving some form of treatment, were diagnosed ≥two years, and had consumed less food than usual in the last month compared to those in the Low Symptom Burden group. Those in the Fatigue group were less likely to have reported their food intake to be unchanged and more likely to be diagnosed ≥two years than those in the Low Symptom Burden group. The EORTC-QLQ-C30 functioning and GHS scores were all significantly different between the three nutrition impact symptoms classes (p < 0.001). This is the first study to examine heterogeneity of nutrition impact symptoms in Irish cancer survivors. The findings of this work will inform and allow for more individualised nutrition care. By tailoring interventions to these specific groups, we can enhance the precision of care, improve prognostic accuracy, and significantly elevate the quality of life of survivors. This work underscores the critical importance of symptom management in the continuum of cancer care, ensuring that every survivor receives comprehensive support tailored to their unique journey.
Original languageEnglish
Pages (from-to)423-434
Number of pages12
JournalDietetics
Volume3
Issue number4
Early online date15 Oct 2024
DOIs
Publication statusPublished online - 15 Oct 2024

Data Access Statement

Data are available on request.

Keywords

  • latent class analysis
  • nutrition
  • oncology
  • nutrition impact symptoms

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