Period | 1998-2003 (N= 321) | 2004-2008 (N=360) | p value* | All cases (N=681) | |||
---|---|---|---|---|---|---|---|
Treatments | 321 | % | 360 | % | 681 | % | |
No treatment | 0.65 | ||||||
Yes | 10 | 3.1 | 9 | 2.5 | 19 | 2.8 | |
No | 306 | 95.3 | 340 | 94.4 | 646 | 94.9 | |
Unknown | 5 | 1.6 | 11 | 3.1 | 16 | 2.3 | |
Surgery alone | <0.001 | ||||||
Yes | 36 | 11.2 | 16 | 4.4 | 52 | 7.6 | |
No | 254 | 79.1 | 328 | 91.1 | 582 | 85.5 | |
Unknown | 31 | 9.7 | 16 | 4.4 | 47 | 6.9 | |
Hormone therapy | 0.001 | ||||||
Yes | 21 | 6.5 | 53 | 14.7 | 74 | 10.9 | |
No | 264 | 82.2 | 282 | 78.3 | 546 | 80.2 | |
Unknown | 36 | 11.2 | 25 | 6.9 | 61 | 9.0 | |
Breast conserving surgery plus adjuvant therapy | 0.63 | ||||||
Yes | 113 | 35.2 | 125 | 34.7 | 238 | 34.9 | |
No | 193 | 60.1 | 231 | 64.2 | 424 | 62.3 | |
Unknown | 15 | 4.7 | 4 | 1.1 | 19 | 2.8 | |
Mastectomy plus adjuvant therapy | 0.52 | ||||||
Yes | 95 | 29.6 | 116 | 32.2 | 211 | 31.0 | |
No | 210 | 65.4 | 230 | 63.9 | 440 | 64.6 | |
Unknown | 16 | 5.0 | 14 | 3.9 | 30 | 4.4 | |
Others† | 0.43 | ||||||
Yes | 10 | 3.1 | 16 | 4.4 | 26 | 3.8 | |
No | 275 | 85.7 | 319 | 88.6 | 594 | 87.2 | |
Unknown | 36 | 11.2 | 25 | 6.9 | 61 | 9.0 |