Table 2 Association between ER expression and clinicopathological parameters among the study participants (n = 114)
Clinico-pathological parameters | ER Positive | ER Negative | Total | p-value |
|---|---|---|---|---|
Median age at Diagnosis(min-max) | 42(22–75) | 41(27–65) |  | 0.284 |
Tumor Grade, n (%) | ||||
 I | 5(10) | 2(7) | 7(9) |  |
 II | 18(36) | 14(50) | 32(41) | 0.480 |
 III | 27(54) | 12(43) | 39(50) |  |
Stage, n (%) | ||||
 I | 13(20) | 6(19) | 19(20) |  |
 II | 27(42) | 10(31) | 37(39) | 0.639 |
 III | 22(34) | 14(44) | 36(37) |  |
 IV | 2(3) | 2(6) | 4(4) |  |
Histological Type, n (%) | ||||
 Infiltrating ductal | 41(60) | 26(80) | 67(68) | 0.123 |
 Lobular | 6(10) | 0(0) | 6(6) | |
 Others/Not classified | 18(30) | 7(20) | 25(26) | |