# Multi-center validation of machine learning model for preoperative prediction of postoperative mortality

> Research article (npj Digital Medicine, 2022) · cited 48× · AI/ML

**Wikidata**: [openalex:W4285093990](https://www.wikidata.org/wiki/openalex:W4285093990)  
**Source**: https://4ort.xyz/entity/multi-center-validation-of-machine-learning-model-for-preoperative-prediction-of-postoperative-mortality