Table 1 Demographic and tumour characteristics of women with breast cancer diagnosed during 2016–2020 at the National Cancer Institute, Sri Lanka
Characteristic | Number of patients (%) |
|---|---|
Age category | |
< 40 | 429 (9) |
40–49 | 1252 (24) |
50–59 | 1464 (28) |
60–69 | 1359 (26) |
70+ | 677 (13) |
Year of diagnosis | |
2016 | 973 (19) |
2017 | 1110 (21) |
2018 | 1198 (23) |
2019 | 1064 (21) |
2020 | 836 (16) |
T stage | |
T1 | 1029 (20) |
T2 | 2909 (56) |
T3 | 619 (12) |
T4 | 619 (12) |
Missing | 5 (< 1) |
N stage | |
N0 | 2456 (48) |
N1 | 1700 (33) |
N2 | 693 (13) |
N3 | 327 (6) |
Missing | 5 (< 0.1) |
M stage | |
M0 | 4915 (95) |
M1 | 266 (5) |
Stage categorya | |
I | 682 (13) |
II | 2746 (53) |
III | 1487 (29) |
IV | 266 (5) |
BMI | |
< 18.5 | 124 (2) |
18.5–24.9 | 1396 (27) |
25–29.9 | 1009 (20) |
> 30 | 415 (8) |
Missing | 2237 (43) |
Charlson score | |
0 | 3794 (73) |
1 | 1212 (23) |
> 1 | 175 (4) |
Histology type | |
Ductal CA | 4436 (86) |
Lobular CA | 222 (4) |
Mucinous CA | 102 (2) |
Papillary CA | 56 (1) |
Metaplastic CA | 30 (1) |
Other | 87 (2) |
Missing | 248 (5) |
Grade | |
I | 710 (14) |
II | 2316 (45) |
III | 1586 (31) |
Missing | 569 (11) |
LVI | |
Positive | 1189 (23) |
Negative | 3554 (69) |
Missing | 438 (8) |
ER/PR status | |
Positive | 3180 (61) |
Negative | 1230 (24) |
Missing | 771 (15) |
HER-2 status | |
Positive | 947 (19) |
Negative | 3129 (60) |
Equivocal | 302 (6) |
Missing | 803 (15) |
Subtype | |
Luminal A | 2362 (46) |
Luminal B | 555 (11) |
HER-2 enriched | 392 (8) |
Triple negative | 841 (16) |
Missing | 1041 (20) |
Menopausal Status | |
Peri | 364 (7) |
Pre | 884 (17) |
Post | 3450 (67) |
Unknown | 483 (9) |