Table 2.
Positive Predictive Value of COVID-19 ICD-10 Code U07.1 by Quarter and Clinical Setting, Department of Veterans Affairs, April 1, 2020–March 31, 2021
| N (%) | Positive Predictive Value | 95% Confidence Interval | |
|---|---|---|---|
| All Time and All Settings | |||
| April 2020–March 2021 | 1500 (100) | 84.2 | 82.4–86.0 |
| By Quarter | |||
| April–June 2020 | 150 (10.0) | 83.3 | 77.2–89.4 |
| July–September 2020 | 215 (14.3) | 80.5 | 75.3–85.5 |
| October–December 2020 | 640 (42.7) | 86.1 | 83.4–88.8 |
| January–March 2021 | 495 (33.0) | 83.6 | 80.4–86.9 |
| By Clinical Setting | |||
| Emergency/Urgent Care | 130 (8.7) | 81.5 | 74.8–88.2 |
| Outpatient | 794 (52.9) | 77.7 | 74.9–80.5 |
| Inpatient | 576 (38.4) | 93.8 | 91.8–95.6 |