Table 3.
COVID testing details
| N | % | |
|---|---|---|
| Radiation oncology-ordered tests: N = 385 | ||
| Rationale for testing | ||
| Routine (radiation therapy only) | 270 | 70.1 |
| Concurrent chemo-radiation therapy | 69 | 17.9 |
| Nursing facility/recent hospitalization | 8 | 2.1 |
| Previous positive COVID test | 1 | 0.3 |
| Unable to wear mask | 29 | 7.5 |
| Multiple aforementioned reasons | 8 | 2.1 |
| Timing of COVID testing | ||
| Presimulation | 75 | 19.5 |
| Postsimulation, pretreatment | 261 | 67.8 |
| On-treatment | 49 | 12.7 |
| Type of COVID test | ||
| PCR swab (outside laboratory) | 56 | 14.5 |
| PCR swab (on-site) | 329 | 85.5 |
| In-house antigen | 0.0 | |
| Sputum | 0.0 | |
| Time to COVID results | ||
| <24 hours | 47 | 12.2 |
| 24-72 hours | 302 | 78.4 |
| >72 hours | 36 | 9.4 |
| Radiation oncology patients: N = 336 | ||
| Prior COVID testing | ||
| None | 277 | 82.4 |
| Yes (asymptomatic) | 57 | 17.0 |
| Yes (symptomatic) | 1 | 0.3 |
| Prior COVID results | ||
| N/A | 277 | 82.4 |
| Negative | 56 | 16.7 |
| Positive | 2 | 0.6 |
| Radiation oncology-ordered tests: N = 385 | ||
| COVID result | ||
| Negative | 380 | 99.0 |
| Positive | 5 | 1.3 |
| Plan of care for COVID+ | ||
| N/A | 380 | 99.0 |
| Delay radiation therapy +/– retest | 4 | 1.0 |
| Proceed with radiation therapy + precautions | 1 | 0.3 |
| Radiation oncology patients: N = 336 | ||
| On-treatment retesting | ||
| None | 287 | 85.4 |
| Yes (asymptomatic) | 49 | 14.6 |
| Yes (symptomatic) | 0 | 0.0 |
| Interruption of radiation therapy course* | ||
| None | 277 | 82.4 |
| Yes (non-COVID-related) | 57 | 17.0 |
| Yes (COVID-related) | 1 | 0.3 |
Abbreviations: COVID = coronavirus disease; PCR = polymerase chain reaction.
⁎
Unplanned early termination of radiation therapy or interruptions >7 days.