Table 2.
Quality indicators (QIs) of direct (9a, 9b, and 10) or indirect ([ex-3] to 8) relevance to radiation oncology and the 2003–2010 changes in their relative performance compared with the DKG/DGS requirements (modified and updated from [36] according to [34])
| QI no. | Quality indicator (QI) | Tracked | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | Third-year DKG/DGS requirement (2010) (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| [ex-3] | Complete tumour staging data | 2003–2006 | 89% | 101% | 103% | 100% | – | – | – | – | >95 |
| 3 | Data on safety distance between tumour and resection margin | 2007–2010 | – | – | – | – | 91% | 97% | 98% | 98% | 100 |
| 4 |
Specimen radiography (2007: preoperative in patients with microcalcifications; 2008: intraoperative) |
2007–2010 | – | – | – | – | 87% | 98% | 97% | 99% | >95 |
| 8 | Percentage of patients in clinical trials | 2005–2010 | – | – | 40% | 35% | 35% | 40% | 60% | 55% | ≥20 |
| 9a | Radiotherapy after breast-conserving surgery | 2003–2010 | 21% | 48% | 63% | 74% | 83% | 84% | 89% | 92% | >95 |
| 9b | Radiotherapy after breast-conserving surgery for DCIS | 2008–2010 | – | – | – | – | – | 68% | 79% | 84% | >95a |
| 10 | Radiotherapy after mastectomy | 2003–2010 | 10% | 33% | 44% | 59% | 81% | 81% | 88% | 93% | >80 |
aBased on cases of BCS-treated primary DCIS with a recommendation for radiotherapy relative to the total number of cases of BCS-treated primary DCIS