Table 1.
1997–2004 versus 2005–2010 baseline characteristics comparison.
| Variables | 1997–2004 | 2005–2010 | P value |
|---|---|---|---|
| Mean age at diagnosis | |||
| Overall | 61.04 (SD ± 13.99) | 59.95 (SD ± 13.80) | 0.142 |
| AA | 61.0 (SD ± 13.68) | 60.11 (SD ± 13.69) | 0.261 |
| White | 61.23 (SD ± 15.20) | 59.29 (SD ± 12.92) | 0.281 |
| Race | |||
| AA | 650.00 | 575.00 | 0.798 |
| White | 165.00 | 104.00 | 0.202 |
| Grade | |||
| I well | 89.00 | 62.00 | |
| II moderate | 213.00 | 210.00 | |
| III poor | 177.00 | 239.00 | |
| IV undifferential | 1.00 | 29.00 | <0.001 |
| Grade-AA | |||
| I well | 69.00 | 54.00 | |
| II moderate | 169.00 | 171.00 | |
| III poor | 137.00 | 214.00 | |
| IV undifferential | 1.00 | 21.00 | <0.001 |
| Grade-White | |||
| I well | 20.00 | 8.00 | |
| II moderate | 44.00 | 39.00 | |
| III poor | 40.00 | 25.00 | |
| IV undifferential | 0.00 | 8.00 | 0.003 |
| Pathology stages | |||
| 0 | 72.00 | 97.00 | |
| I | 143.00 | 155.00 | |
| II | 226.00 | 220.00 | |
| III | 95.00 | 98.00 | |
| IV | 7.00 | 6.00 | 0.491 |
| Pathology stages-AA | |||
| 0 | 62.00 | 75.00 | |
| I | 113.00 | 125.00 | |
| II | 166.00 | 190.00 | |
| III | 78.00 | 90.00 | |
| IV | 4.00 | 6.00 | 0.982 |
| Pathology stages-White | |||
| 0 | 10.00 | 21.00 | |
| I | 30.00 | 30.00 | |
| II | 60.00 | 30.00 | |
| III | 17.00 | 8.00 | |
| IV | 3.00 | 0.00 | 0.003* |
| ER | |||
| ER+ | 46.00 | 37.00 | |
| ER− | 355.00 | 163.00 | 0.024* |
| ER-AA | |||
| ER+ | 45.00 | 322.00 | |
| ER− | 38.00 | 158.00 | 0.025* |
| ER-White | |||
| ER+ | 6.00 | 69.00 | |
| ER− | 3.00 | 18.00 | 0.405 |
| PR | |||
| PR+ | 34.00 | 50.00 | |
| PR− | 311.00 | 205.00 | <0.001* |
| PR-AA | |||
| PR+ | 30.00 | 292.00 | |
| PR− | 53.00 | 188.00 | <0.001* |
| PR-White | |||
| PR+ | 5.00 | 59.00 | |
| PR− | 4.00 | 28.00 | 0.476 |