Table 3.
Comparison of radiation information in the registry and the claims using a 12-month claims windowa
| Claims No, CCR No | Claims Yes, CCR No | Claims No, CCR Yes | Claims Yes, CCR Yes | Sensitivity | PPV | Kappa | % agreement | ||
|---|---|---|---|---|---|---|---|---|---|
| All | 927 | 277 | 165 | 803 | 74.4 (71.8, 77.0) | 83.0 (80.6, 85.3) | 59.3 (55.9, 62.7) | 79.7% | |
| Cancer type | |||||||||
| Breast | 314 | 150 | 66 | 369 | 71.1 (67.2, 75.0) | 84.8 (81.5, 88.2) | 52.2 (46.7, 57.7) | 76.0% | |
| Cervix/uterus | 227 | 4 | 12 | 79 | 95.2 (90.6, 99.8) | 86.8 (80.0, 93.8) | 87.4 (81.4, 93.4) | 95.0% | |
| Hodgkin lymphoma | 80 | 32 | 6 | 52 | 61.9 (51.5, 72.3) | 89.7 (81.8, 97.5) | 55.1 (43.2, 67.1) | 77.6% | |
| Non-Hodgkin lymphoma | 94 | 16 | 5 | 28 | 63.6 (49.4, 77.9) | 84.9 (72.6, 97.1) | 63.0 (48.8, 77.1) | 85.3% | |
| Thyroid | 212 | 75 | 76 | 275 | 78.6 (74.3, 82.9) | 78.4 (74.0, 82.7) | 52.2 (45.6, 58.9) | 76.3% | |
| Age at diagnosis | |||||||||
| 15-29 | 233 | 83 | 43 | 202 | 70.9 (65.6, 76.2) | 82.5 (77.7, 87.2) | 55.2 (48.4, 62.0) | 77.5% | |
| 30-34 | 270 | 63 | 54 | 209 | 76.8 (71.8, 81.9) | 79.5 (74.6, 84.4) | 60.3 (53.9, 66.8) | 80.4% | |
| 35-39 | 424 | 131 | 68 | 392 | 75.0 (71.2, 78.7) | 85.2 (82.0, 88.5) | 60.9 (56.1, 65.7) | 80.4% | |
| Stage | |||||||||
| Localized | 653 | 97 | 65 | 334 | 77.5 (73.6, 81.4) | 83.7 (80.1, 87.3) | 69.5 (65.1, 73.8) | 85.9% | |
| Regional | 143 | 150 | 88 | 414 | 73.4 (69.8, 77.1) | 82.5 (79.1, 85.8) | 32.7 (25.9, 39.5) | 70.1% | |
| Distant | 104 | 26 | 10 | 52 | 66.7 (56.2, 77.1) | 83.9 (74.7, 93.0) | 59.8 (48.3, 71.4) | 81.3% | |
| Year of diagnosis | |||||||||
| 2003-2004 | 188 | 75 | 23 | 202 | 72.9 (67.7, 78.2) | 89.8 (85.8, 93.7) | 60.3 (53.4, 67.1) | 79.9% | |
| 2005-2007 | 272 | 102 | 33 | 231 | 69.4 (64.4, 74.3) | 87.5 (83.5, 91.5) | 58.0 (51.9, 64.2) | 78.8% | |
| 2008-2010 | 254 | 58 | 42 | 214 | 78.7 (73.8, 83.5) | 83.6 (79.1, 88.1) | 64.6 (58.4, 70.9) | 82.4% | |
| 2011-2013 | 213 | 42 | 67 | 156 | 78.8 (73.1, 84.5) | 70.0 (63.9, 76.0) | 53.9 (46.3, 61.4) | 77.2% | |
| Insurance type within 12 months post-diagnosis | |||||||||
| Any Medicaid | 311 | 113 | 46 | 275 | 70.9 (66.4, 75.4) | 85.7 (81.8, 89.5) | 57.6 (51.8, 63.3) | 78.7% | |
| Private insurance only | 616 | 164 | 119 | 528 | 76.3 (73.1, 79.5) | 81.6 (78.6, 84.6) | 60.2 (56.1, 64.4) | 80.2% | |
a
Excludes those with missing radiation information from the registry (N=69)