Table 1.
Nine pertussis cases and potential exposure identified by electronic medical record (EMR) and real-time location system (RTLS)
| Case No. | Age, y | Emergency department length of stay, min | No. by EMR review | No. by RTLS review | No. by EMR (but not RTLS) | No. by RTLS (but not EMR) | Total unique contacts | Increase above EMR only, % |
|---|---|---|---|---|---|---|---|---|
| 1 | 1.6 | 91 | 4 | 8 | 2 | 6 | 10 | 150.0 |
| 2 | 18 | 152 | 5 | 9 | 1 | 5 | 10 | 100.0 |
| 3 | 11 | 144 | 7 | 9 | 1 | 3 | 10 | 42.9 |
| 4 | 2.1 | 68 | 5 | 8 | 2 | 5 | 10 | 100.0 |
| 5 | 17 | 121 | 5 | 5 | 1 | 1 | 6 | 20.0 |
| 6 | 17 | 62 | 3 | 3 | 0 | 0 | 3 | 0 |
| 7 | 9 | 288 | 5 | 10 | 2 | 7 | 12 | 140.0 |
| 8 | 2.8 | 287 | 5 | 14 | 2 | 11 | 16 | 220.0 |
| 9 | 8 | 294 | 6 | 11 | 2 | 7 | 13 | 116.7 |
| Total | 45 | 77 | 13 | 45 | 90 | |||
| Average | 9.6 | 94 | 5.0 | 8.6 | 1.4 | 5.0 | 10.0 | 100 |