Abstract
ObjectiveTo analyze temporal trends and costs associated with the use of minimally invasive surgery (MIS) for kidney cancer in the US over the past decade. To examine the impact of social determinants of health (SDOH) on perioperative outcomes. MethodsThe PearlDiver Mariner, a national database of insurance billing records, was queried for this retrospective observational cohort analysis. The MIS population was identified and stratified according to treatment modality, using International Classification of Diseases (ICD) and current procedural terminology (CPT) codes. SDOH were assessed using ICD codes. Negative binomial regression was used to evaluate the overall number of renal MIS and Cochran-Armitage tests to compare the utilization of different treatment modalities, over the study period. Multivariable logistic regression analysis identified predictors of perioperative complications. ResultsA total of 80,821 MIS for kidney cancer were included. Minimally invasive partial nephrectomy (MIPN) adoption as a fraction of total MIS increased significantly (slope of regression line, reg. = 0.026, p<.001). Minimally invasive radical nephrectomy (MIRN) ($26,9k±40,9k) and renal ablation (RA) ($18,9k±31,6k) were the most expensive and the cheapest procedure, respectively. No statistically significant difference was observed in terms of number of complications (p=.06) and presence of SDOH (p=.07) among the treatment groups. At multivariable analysis, patients with SDOH undergoing MIRN had higher odds of perioperative complications, while RA had a significantly lower probability of perioperative complications. ConclusionsThis study describes the current management of kidney cancer in the US, offering a socioeconomic perspective on the impact of this disease in everyday clinical practice. Data AvailabilityRaw data generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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