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Association between case characteristics and number of staff communications
| Characteristic | Median (IQR) (days) | P value |
|---|---|---|
|
| ||
| Year of enrollment | ||
| 2009–2012 | 0 (0–1) | <0.001 |
| 2013–2016 | 2 (0–4) | |
|
| ||
| Tissue requirement | ||
| Required | 3 (3–4) | <0.001 |
| Collected if available/optional | 0 (0–1) | |
|
| ||
| Primary tissue biomarker analysis | ||
| Enrollment/stratification | 3 (3–4) | <0.001 |
| Exploratory | 0 (0–1) | |
|
| ||
| Tissue location | ||
| UT Southwestern | 3 (2–4) | 0.34 |
| Elsewhere | 3 (1–4) | |
