Table 2 Patient and tumor characteristics at diagnosis
Patient characteristics | Statistics | Results |
|---|---|---|
Number of patients | Number | 757(100%) |
Age, years | Mean (SD) | 53(11) |
Median (IQR) | 53(46, 61) | |
(Min, Max) | (23, 87) | |
Age distribution | No. (%) age < 40 | 88(12) |
No. (%) age 40 to 49 | 199(26) | |
No. (%) age 50 to 59 | 262(35) | |
No. (%) age > =60 | 208(27) | |
Sex | No. (%) male | 0(0) |
No. (%) female | 757(100) | |
Race | No. (%) Malay | 264(35) |
No. (%) Chinese | 377(50) | |
No. (%) Indian | 95(13) | |
No. (%) Orang Asli | 1(0) | |
No. (%) Bumiputera Sabah | 0(0) | |
No. (%) others | 20(3) | |
Stage at diagnosis* | No. (%) Early Breast Cancer (EBC) | 463(61) |
No. (%) Locally Advanced Breast Cancer (LABC) | 207(27) | |
No. (%) Metastatic Breast Cancer (MBC) | 87(11) | |
Tumor size* | No (%) T1 (1 to 20 mm) | 207(27) |
No (%) T2 (21 to 50 mm) | 246(32) | |
No (%) T3 (> 50 mm) | 80(11) | |
No (%) unknown | 224(30) | |
Regional node* | No (%) negative node | 206(27) |
No (%) 1–3 positive node | 117(15) | |
No (%) 4–10 positive node | 75(10) | |
No (%) >10 positive node | 49(6) | |
No (%) unknown | 310(41) | |
Tumor histology* | No (%) infiltrating duct carcinoma, NOS | 653(86) |
No (%) intraductal carcinoma, non-infiltrating, NOS | 25(3) | |
No (%) other carcinomas | 79(10) | |
Grading* | No (%) grade 1 | 50(7) |
No (%) grade 2 | 261(34) | |
No (%) grade 3 | 256(34) | |
No (%) no information | 190(25) | |
Biomarkers | No. (%) ER+ | 494(65) |
No. (%) missing information on ER | 37(5) | |
No. (%) PR+ | 434(57) | |
No. (%) missing information on PR | 40(5) | |
No. (%) ER+/PR+ | 516(68) | |
No. (%) missing information on ER & PR | 36(5) | |
No. (%) HER2 ISH + or IHC + if ISH missing or unknown | 209(28) | |
No. (%) missing information on HER2 | 169(22) | |
No. (%) HER2 - | 379(50) | |
No. (%) Triple positive (ER+, PR + HER+) | 95(13) | |
No. (%) Triple negative (ER-, PR- HER-) | 94(12) | |
No. (%) missing information ER, PR and/or HER | 173(23) |