Table 2.
Descriptive Statistics: Concordance Rates
| Outcome Variable | NCCCP Hospital Patients |
Comparison-Group Patients |
NCCCP Versus Comparison-Group Patients |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 to 2007 |
2008 to 2010 |
P | 2006 to 2007 |
2008 to 2010 |
P | NCCP Hospitals |
Comparison Hospitals |
P | |||||||
| Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Absolute Difference | 95% CI | Absolute Difference | 95% CI | ||||
| Radiation therapy after breast-conserving surgery | 72.2 | 70.4 to 74.1 | 90.6 | 89.4 to 91.8 | < .05 | 74.1 | 72.4 to 75.9 | 87.3 | 86.1 to 88.4 | < .05 | 18.3 | 16.1 to 20.6 | 13.1 | 11.0 to 15.2 | < .01 |
| Multiagent chemotherapy for breast cancer | 72.1 | 68.0 to 76.3 | 88.0 | 85.3 to 90.7 | < .05 | 76.8 | 73.3 to 80.2 | 87.9 | 85.8 to 90.1 | < .05 | 15.9 | 11.1 to 20.6 | 11.2 | 7.2 to 15.2 | NS |
| Hormonal therapy for breast cancer | 49.0 | 46.9 to 51.0 | 82.5 | 81.2 to 83.9 | < .01 | 56.1 | 54.3 to 58.0 | 79.8 | 78.6 to 81.0 | < .05 | 33.6 | 31.1 to 36.0 | 23.6 | 21.4 to 25.8 | < .05 |
| Adjuvant chemotherapy for colon cancer | 69.8 | 65.5 to 74.0 | 86.6 | 83.6 to 89.4 | < .05 | 77.1 | 73.5 to 80.7 | 86.1 | 83.4 to 88.7 | < .05 | 16.8 | 11.6 to 22.1 | 9.0 | 4.5 to 13.5 | NS |
| 12 regional lymph nodes excised during colon cancer surgery | 75.5 | 73.4 to 77.6 | 87.3 | 85.7 to 88.9 | < .05 | 73 | 70.8 to 75.2 | 86.3 | 84.8 to 87.8 | < .05 | 11.7 | 9.2 to 14.4 | 13.3 | 10.6 to 16.0 | NS |
Abbreviations: NCCCP, National Cancer Institute Community Cancer Centers Program; NS, not significant.