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External validation reveals poor calibration despite preserved discrimination for a vasopressin treatment-signal prediction model across ICU databases
Vasopressin · biorxiv-preprint · 2026 · Observational · n=5800
The prediction model for vasopressin treatment signals shows some ability to discriminate but lacks accurate calibration for absolute risk, limiting its clinical utility.
AUROC was 0.768 (95% CI 0.734–0.804) internally.