Table 3.
Comparison of Appropriate Use of Rapid Tests Pre- and Postinterventiona
| Characteristic | Preintervention (n = 1,344) | Postintervention (n = 699) | P Value |
|---|---|---|---|
| Rapid test conforming status, No. (%) | <.001b | ||
| Conforming | 271 (20.2) | 395 (56.5) | |
| ED patient being discharged to other facility | 47 | 75 | |
| Emergency procedure today | 108 | 134 | |
| Labor and delivery patient | 116 | 186 | |
| Nonconforming | 787 (58.6) | 219 (31.3) | |
| Admission from the ED | 299 | 76 | |
| All other indications | 166 | 81 | |
| Outpatient | 322 | 62 | |
| Unable to determine | 286 (21.3) | 85 (12.2) | |
| No data | 286 | 85 | |
| Hours from laboratory receipt to reporting | <.001c | ||
| Mean (SD) | 2.95 (4.53) | 1.48 (2.16) | |
| Median (IQR) | 1.15 (0.98, 1.74) | 1.08 (0.92, 1.48) | |
| Range | (0, 23.92) | (0, 25.28) | |
| Cost of tests per patient, $ | <.001c | ||
| Mean (SD) | 40.46 (10.00) | 107.20 (11.10) | |
| Median (IQR) | 39 (39, 39) | 109 (109, 109) | |
| Range | (39,109) | (39, 109) | |
| Days of rapid test inventory on hand | (n = 14) | (n = 14) | <.001c |
| Mean (SD) | 12.95 (6.63) | 52.02 (10.03) | |
| Median (IQR) | 12.40 (7.30, 19.65) | 49.95 (47.00, 54.88) | |
| Range | (5.20, 20.40) | (39.80, 73.00) |
ED, emergency department; IQR, interquartile range.
aConforming test status is defined as a test that was performed on a rapid instrument and ordered with a rapid test priority according to institutional guidelines. Statistical analysis was performed without the undetermined category.
bχ2 test.
cWilcoxon rank sum test.