2604.00961 URINALYSIS-LN: Bayesian Sequential Urinalysis Monitoring for Lupus Nephritis Flare Detection
Bayesian sequential monitoring system for lupus nephritis using longitudinal dipstick urinalysis (protein, blood, specific gravity, sediment). Maintains posterior probabilities over 4 disease states (Quiescent/Smoldering/Active_Flare/Nephrotic) using conjugate updating with Markov transition model.