Joseph A Dottino1, William A Cliby2, Evan R Myers3, Robert E Bristow4, Laura J Havrilesky5. 1. Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC 27710, USA. 2. Division of Gynecologic Surgery, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA. 3. Duke Cancer Institute, Durham, NC 27710, USA; Department of Obstetrics and Gynecology, Division of Clinical and Epidemiological Research, Duke University Medical Center, Durham, NC 27710, USA. 4. Division of Gynecologic Oncology, University of California, Irvine School of Medicine, Orange, CA 92697, USA. 5. Duke Cancer Institute, Durham, NC 27710, USA; Division of Gynecologic Oncology, Duke University Medical Center, Durham, NC 27710, USA. Electronic address: havri001@mc.duke.edu.
Abstract
OBJECTIVE: To estimate the potential cost-effectiveness of an intervention to improve adherence to National Comprehensive Cancer Network (NCCN) guideline-based care for ovarian cancer. METHODS: A modified Markov model with a 5-year time horizon estimated the potential cost-effectiveness of an intervention (AD-INT) to improve NCCN-guideline adherence compared to status quo (SQ) levels of adherence. Data were obtained from a population-based analysis of National Cancer Data Base records for ovarian cancer diagnosed from 1998 to 2002 (N=47,160). Cohorts were defined by race and adherence to NCCN guideline-based care. Costs were estimated using 2014 Medicare reimbursements. Incremental cost-effectiveness ratios (ICERs) were calculated in 2014 US dollars per year of life saved (YLS) using the standard threshold of $50,000/YLS. We simulated an AD-INT that reduced non-adherence by 25% and cost at least $100 per patient. One-way sensitivity analyses were performed. RESULTS: Although the individual components of guideline-adherent care are more costly than non-adherent care, a reasonably effective AD-INT is also highly likely to be cost-effective. An AD-INT costing $100 per patient and reducing non-adherence by 25% is cost-effective with an ICER of $22/YLS compared with SQ, while interventions costing over $1000 remain cost-effective, up to a per-patient intervention cost of up to $8000 (targeting only blacks) or $4000 (targeting all patients). CONCLUSIONS: An ovarian cancer intervention that moderately decreases racial disparities in NCCN guideline adherent care or improves adherence for all is potentially cost-effective. Further research may determine which modifiable factors may be targeted to help reduce adherence disparities.
OBJECTIVE: To estimate the potential cost-effectiveness of an intervention to improve adherence to National Comprehensive Cancer Network (NCCN) guideline-based care for ovarian cancer. METHODS: A modified Markov model with a 5-year time horizon estimated the potential cost-effectiveness of an intervention (AD-INT) to improve NCCN-guideline adherence compared to status quo (SQ) levels of adherence. Data were obtained from a population-based analysis of National Cancer Data Base records for ovarian cancer diagnosed from 1998 to 2002 (N=47,160). Cohorts were defined by race and adherence to NCCN guideline-based care. Costs were estimated using 2014 Medicare reimbursements. Incremental cost-effectiveness ratios (ICERs) were calculated in 2014 US dollars per year of life saved (YLS) using the standard threshold of $50,000/YLS. We simulated an AD-INT that reduced non-adherence by 25% and cost at least $100 per patient. One-way sensitivity analyses were performed. RESULTS: Although the individual components of guideline-adherent care are more costly than non-adherent care, a reasonably effective AD-INT is also highly likely to be cost-effective. An AD-INT costing $100 per patient and reducing non-adherence by 25% is cost-effective with an ICER of $22/YLS compared with SQ, while interventions costing over $1000 remain cost-effective, up to a per-patient intervention cost of up to $8000 (targeting only blacks) or $4000 (targeting all patients). CONCLUSIONS: An ovarian cancer intervention that moderately decreases racial disparities in NCCN guideline adherent care or improves adherence for all is potentially cost-effective. Further research may determine which modifiable factors may be targeted to help reduce adherence disparities.
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