Research Article
Trends in Breast Cancer Incidence Rates by Age and Stage at Diagnosis in Gharbiah, Egypt, over 10 Years (1999–2008)
Table 1
Characteristics of breast cancer cases (
) by year of diagnosis in Gharbiah, Egypt, 1999–2008.
| | | Year of diagnosis |
Overall
(%) | valuea | | | 1999
(%) | 2000
(%) | 2001
(%) | 2002
(%) | 2003
(%) | 2004
(%) | 2005
(%) | 2006
(%) | 2007
(%) | 2008
(%) |
| | Age | | | | | | | | | | | | | | 0–29 | 18 (2.9) | 15 (2.5) | 10 (1.6) | 22 (3.5) | 14 (2.0) | 15 (2.1) | 21 (2.9) | 9 (1.2) | 13 (1.7) | 22 (2.6) | 159 (2.3) | 0.0051 | | 30–39 | 103 (16.6) | 107 (18.0) | 110 (17.5) | 104 (16.5) | 115 (16.9) | 103 (14.4) | 100 (13.7) | 101 (13.0) | 88 (11.2) | 113 (13.5) | 1044 (14.9) | | 40–49 | 215 (34.7) | 180 (30.4) | 214 (34.1) | 195 (30.9) | 223 (32.7) | 216 (30.3) | 229 (31.5) | 263 (33.8) | 235 (29.9) | 253 (30.2) | 2223 (31.8) | | 50–59 | 164 (26.5) | 177 (29.9) | 172 (27.4) | 178 (28.2) | 198 (29.0) | 218 (30.5) | 209 (28.7) | 244 (31.4) | 255 (32.5) | 271 (32.3) | 2086 (29.8) | | 60–69 | 94 (15.2) | 76 (12.8) | 77 (12.3) | 91 (14.4) | 101 (14.8) | 109 (15.3) | 117 (16.1) | 110 (14.1) | 129 (16.4) | 122 (14.6) | 1026 (14.7) | | 70+ | 26 (4.2) | 38 (6.4) | 45 (7.2) | 41 (6.5) | 31 (4.6) | 53 (7.4) | 52 (7.1) | 51 (6.6) | 65 (8.3) | 57 (6.8) | 459 (6.6) | | Overall | 620 (8.9) | 593 (8.5) | 628 (9.0) | 631 (9.0) | 682 (9.8) | 714 (10.2) | 728 (10.4) | 778 (11.1) | 785 (11.2) | 838 (12.1) | 6997 (100) | | ERb | | | | | | | | | | | | | | Positive | n/a | n/a | 218 (34.7) | 193 (30.6) | 214 (31.4) | 265 (37.1) | 265 (36.4) | 391 (50.3) | 356 (45.4) | 228 (27.2) | 2130 (36.9) |
<0.0001 | | Negative | n/a | n/a | 69 (11.0) | 92 (14.6) | 112 (16.4) | 112 (15.7) | 127 (17.4) | 148 (19.0) | 137 (17.5) | 133 (15.9) | 930 (16.1) | | Missing | n/a | n/a | 341 (54.3) | 346 (54.8) | 356 (52.2) | 337 (47.2) | 336 (46.2) | 239 (30.7) | 292 (37.2) | 477 (56.9) | 2724 (47.1) | | PRc | | | | | | | | | | | | | | Positive | n/a | n/a | 126 (20.1) | 110 (17.4) | 135 (19.8) | 157 (22.0) | 194 (26.6) | 314 (40.3) | 272 (34.6) | 181 (21.6) | 1489 (25.7) | <0.0001 | | Negative | n/a | n/a | 98 (15.6) | 104 (16.5) | 111 (16.3) | 104 (14.6) | 115 (15.8) | 125 (16.1) | 160 (20.4) | 139 (16.6) | 956 (16.5) | | Missing | n/a | n/a | 404 (64.3) | 417 (66.1) | 436 (63.9) | 453 (63.4) | 419 (57.6) | 339 (43.6) | 353 (45.0) | 518 (61.8) | 3339 (57.7) | | Stage | | | | | | | | | | | | | | Localized | 92 (14.8) | 106 (17.9) | 143 (22.8) | 138 (21.9) | 142 (20.8) | 137 (19.2) | 160 (22.0) | 177 (22.8) | 181 (23.1) | 179 (21.4) | 1455 (20.8) | <0.0001 | | Regional | 314 (50.6) | 275 (46.4) | 313 (49.8) | 323 (51.2) | 327 (47.9) | 360 (50.4) | 359 (49.3) | 387 (49.7) | 365 (46.5) | 453 (54.1) | 3476 (49.7) | | Distant | 87 (14.0) | 95 (16.0) | 83 (13.2) | 71 (11.3) | 100 (14.7) | 94 (13.2) | 77 (10.6) | 77 (9.9) | 95 (12.1) | 55 (6.6) | 834 (11.9) | | Missing | 127 (20.5) | 117 (19.7) | 89 (14.2) | 99 (15.7) | 113 (16.6) | 123 (17.2) | 132 (18.1) | 137 (17.6) | 144 (18.3) | 151 (18.0) | 1232 (17.6) | | | Laterality | | | | | | | | | | | | | | Right | 267 (43.1) | 255 (43.0) | 261 (41.6) | 269 (42.6) | 287 (42.1) | 327 (43.0) | 307 (42.2) | 351 (45.1) | 319 (40.6) | 405 (48.3) | 3048 (43.6) | <0.0001 | | Left | 284 (45.8) | 273 (46.0) | 324 (51.6) | 332 (52.6) | 344 (50.4) | 340 (51.8) | 370 (50.8) | 373 (47.9) | 398 (50.7) | 399 (47.6) | 3437 (49.1) | | Bilateral | 5 (0.8) | 3 (0.5) | 6 (1.0) | 5 (0.8) | 9 (1.3) | 5 (1.1) | 8 (1.1) | 5 (0.6) | 2 (0.3) | 5 (0.6) | 53 (0.8) | | Missing | 64 (10.3) | 62 (10.5) | 37 (5.9) | 25 (4.0) | 42 (6.2) | 42 (6.0) | 43 (5.9) | 49 (6.3) | 66 (8.4) | 29 (3.5) | 459 (6.6) | | Basis | | | | | | | | | | | | | | Histology | 398 (64.2) | 469 (79.1) | 468 (74.5) | 518 (82.1) | 553 (81.1) | 571 (80.0) | 592 (81.3) | 652 (83.8) | 626 (79.8) | 673 (80.3) | 5520 (78.9) | <0.0001 | | FNACd | 168 (27.1) | 83 (14.0) | 142 (22.6) | 99 (15.7) | 105 (15.4) | 118 (16.5) | 113 (15.5) | 107 (13.8) | 138 (17.6) | 150 (17.9) | 1223 (17.5) | | Others | 54 (8.7) | 40 (6.7) | 18 (2.9) | 14 (2.2) | 23 (3.4) | 24 (3.4) | 23 (3.2) | 19 (2.4) | 21 (2.7) | 15 (1.8) | 251 (3.6) | | Missing | 0 (0.0) | 1 (0.2) | 0 (0.0) | 0 (0.0) | 1 (0.1) | 1 (0.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 3 (0.0) |
|
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value based on chi-square test.
bEstrogen receptor status.
cProgesterone receptor status.
dFine needle aspiration cytology.
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