# Predictive validity of the ACS-NSQIP surgical risk calculator in geriatric patients undergoing lumbar surgery

> Research article (Medicine, 2017) · cited 52× · AI/ML

**Wikidata**: [openalex:W2765974272](https://www.wikidata.org/wiki/openalex:W2765974272)  
**Source**: https://4ort.xyz/entity/predictive-validity-of-the-acs-nsqip-surgical-risk-calculator-in-geriatric-patients-undergoing-lumbar-surgery