Table 1.

Performance characteristics of the International Classification of Disease, Ninth Revision, Clinical Modification vasopressor code in a subgroup of surgical patients and a subsample excluding patients who may have received transient phenylephrine during intubation

Sensitivity Analysis	N	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
Surgical patients, sepsis cohort	24,184	8.9 (8.4–9.4)	99.7 (99.6–99.8)	96 (94.8–97.2)	58.6 (57.9–59.2)
Excluding transient phenylephrine, sepsis cohort	622,732	8.5 (7.9–9.1)	99.7 (99.6–99.8)	94.8 (93.2–96.4)	64 (63.3–64.6)
Excluding transient phenylephrine, PE cohort	622,732	6.9 (3.3–10.5)	99.9 (99.8–100)	92.9 (79.4–100)	88.7 (87.1–90.3)

Definition of abbreviations: NPV = negative predictive value; PE = pulmonary embolism; PPV = positive predictive value.