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Erschienen in:
19.09.2022 | Gastrointestinal Oncology
Regional Patterns of Hospital-Level Guideline Adherence in Gastric Cancer: An Analysis of the National Cancer Database
Erschienen in: Annals of Surgical Oncology | Ausgabe 1/2023
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Background
Adherence to evidence-based guidelines for gastric cancer is low, particularly at the hospital level, despite a strong association with improved overall survival (OS). We aimed to evaluate patterns of hospital and regional adherence to National Comprehensive Cancer Network guidelines for gastric cancer.
Methods
Using the National Cancer Database (2004–2015), we identified patients with stage I–III gastric cancer. Hospital-level guideline adherence was calculated by dividing the patients who received guideline adherent care by the total patients treated at that hospital. OS was estimated for each hospital. Associations between adherence, region, and survival were compared using mixed-effects, hierarchical regression.
Results
Among 576 hospitals, the median hospital guideline adherence rate was 25% (range 0–76%) and varied significantly by region (p = 0.001). Adherence was highest in the Middle Atlantic (29%) and lowest in the East South Central region (19%); hospitals in the New England, Middle Atlantic, and East North Central regions were more likely to be guideline adherent than those in the East South Central region (all p < 0.05), after adjusting for patient and hospital mix. Most (35%) of the adherence variation was attributable to the hospital. Median 2-year OS varied significantly by region. After adjusting for hospital and patient mix, hazard of mortality was 17% lower in the Middle Atlantic (hazard ratio 0.82, 95% confidence interval 0.74–0.90) relative to the East South Central region, with most of the variation (54%) attributable to patient-level factors.
Conclusions
Hospital-level guideline adherence for gastric cancer demonstrated significant regional variation and was associated with longer OS, suggesting that efforts to improve guideline adherence should be directed toward lower-performing hospitals.