Individualized Risk Assessment of Preoperative Opioid Use by Interpretable Neural Network Regression

• URL: http://arxiv.org/abs/2205.08370v1
• Date: Sat, 7 May 2022 02:35:04 GMT
• Title: Individualized Risk Assessment of Preoperative Opioid Use by Interpretable Neural Network Regression
• Authors: Yuming Sun, Jian Kang, Chad Brummett, Yi Li
• Abstract summary: Preoperative opioid use has been reported to be associated with higher preoperative opioid demand, worse postoperative outcomes, and increased postoperative healthcare utilization and expenditures. Deep neural network (DNN) has emerged as a powerful means for risk assessment because of its superb prediction power. We propose a novel Interpretable Neural Network Regression (INNER) which combines the strengths of statistical and DNN models.
• Score: 6.474106608218618
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Preoperative opioid use has been reported to be associated with higher preoperative opioid demand, worse postoperative outcomes, and increased postoperative healthcare utilization and expenditures. Understanding the risk of preoperative opioid use helps establish patient-centered pain management. In the field of machine learning, deep neural network (DNN) has emerged as a powerful means for risk assessment because of its superb prediction power; however, the blackbox algorithms may make the results less interpretable than statistical models. Bridging the gap between the statistical and machine learning fields, we propose a novel Interpretable Neural Network Regression (INNER), which combines the strengths of statistical and DNN models. We use the proposed INNER to conduct individualized risk assessment of preoperative opioid use. Intensive simulations and an analysis of 34,186 patients expecting surgery in the Analgesic Outcomes Study (AOS) show that the proposed INNER not only can accurately predict the preoperative opioid use using preoperative characteristics as DNN, but also can estimate the patient specific odds of opioid use without pain and the odds ratio of opioid use for a unit increase in the reported overall body pain, leading to more straightforward interpretations of the tendency to use opioids than DNN. Our results identify the patient characteristics that are strongly associated with opioid use and is largely consistent with the previous findings, providing evidence that INNER is a useful tool for individualized risk assessment of preoperative opioid use.

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