Site Characteristics
| Site 1 | Site 2 | Site 3 | |
| Type | Free-standing NCI-designated cancer centre | Academic medical centre-based cancer centre | NCCN-designated comprehensive cancer centre based in academic medical centre |
| Community sites included | Yes | Yes | No |
| Total available reports for review | 1919 | 677 | 858 |
| Ambulatory | Yes | Yes | Yes |
| Inpatient | No | Yes | Yes |
| Clinical trials | Yes | Yes | Yes |
| Incident Learning System software application | RL Solutions Version 6 (RLDatix) | RL Solutions Version 6 (RLDatix) | RL Solutions Version 6 (RLDatix) |
| Excluded incidents | Falls, skin/tissue issues, primary radiation oncology incidents | Falls, skin/tissue issues, primary radiology incidents, adverse reactions | Primary radiation oncology incidents |
| Enrichment for incident-type categories | Diagnostic and therapeutic issues; care and service coordination | No | No |
| Fields used for review | Incident description; suggestions for avoiding future incidents; outcome | Incident distribution | Incident description; suggestions for avoiding future incidents |
| Recharacterisation of incident reports by quality and patient safety analysts | Yes | No | Yes |
NCCN, National Comprehensive Cancer Network; NCI, National Cancer Institute.