Skip to main content
. Author manuscript; available in PMC: 2023 Apr 12.
Published in final edited form as: Am J Surg. 2019 Nov 14;220(1):222–228. doi: 10.1016/j.amjsurg.2019.11.019

Table 5.

Marginal positive predictive values among the 139 records flagged on the basis of a single diagnosis or procedure code criterion.

Code Criterion True Positive (n) False Positive (n) Marginal PPVa (%)
518.51 84 7 92.3
518.53 2 1 66.7
96.04 5 0 100
96.70 0 0 –
96.71 11 2 84.6
96.72 25 2 92.5

Key.

518.51: Acute Respiratory Failure Following Trauma and Surgery.

518.53: Acute and Chronic Respiratory Failure Following Trauma and Surgery.

96.70: Continuous Mechanical Ventilation of Unspecified Duration.

97.71: Continuous Mechanical Ventilation for Less Than 96 Consecutive Hours.

96.72: Continuous Mechanical Ventilation for 96 Consecutive Hours or More.

96.04: Insertion of Endotracheal Tube.

a

The PPV among records flagged solely on the basis of that code criterion.