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Table 2 Comparison of validation statistics of three models to predict CRS-ESS encounters

From: Development and validation of an administrative data algorithm to identify adults who have endoscopic sinus surgery for chronic rhinosinusitis

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)

  1. Comparison of three different model versions to predict CRS-ESS status, compared to the reference standard
  2. CI confidence interval, CRS Chronic rhinosinusitis, ESS Endoscopic sinus surgery, PPV positive predictive value