Table 2.

Comparison of validation statistics of three models to predict CRS-ESS encounters

Model version	Sensitivity % (95%CI)	Specificity % (95%CI)	PPV % (95%CI)
#1: Any CRS diagnostic ICD-10 code	96.5 (93.9–98.1)	100 (99.9–100)	93.3 (90.1–95.6)
#2: Any ESS procedural CCI code	96.8 (94.2–98.3)	100 (99.9–100)	93.3 (90.1–95.6)
#3: #1 AND #2	96.0 (93.2–97.7)	100 (99.9–100)	95.4 (92.5–97.2)

Comparison of three different model versions to predict CRS-ESS status, compared to the reference standard

CI confidence interval, CRS Chronic rhinosinusitis, ESS Endoscopic sinus surgery, PPV positive predictive value