Table 3 Relationship between ER/PgR with age, menopausal status, histologic type, and grade in breast cancer patients
|  | ER+PgR+ (N = 131) | ER+PgR- (N = 38) | ER-PgR- (N = 116) | ER-PgR+ (N = 17) | p value |
|---|---|---|---|---|---|
Age |  |  |  |  | p = 0.026 |
 Mean (± SD) | 46 (±11) | 49,05 (±9.20) | 49 (±10.92) | 53 (±10.20) | |
 Extreme | 24-83 | 33-72 | 27-84 | 34-74 | |
Menopausal status |  |  |  |  | χ 2 = 6.1 p = 0.175 |
 Premenopause | 88 | 23 | 61 | 8 | |
 Postmenopause | 40 | 14 | 49 | 9 | |
Histologic type |  |  |  |  | χ 2 = 5.2 p = 0.523 |
 IDC NOS | 104 | 29 | 100 | 14 | |
 Lobular | 8 | 1 | 3 | 1 | |
 Other | 12 | 6 | 8 | 2 | |
Tumor grade |  |  |  |  | χ 2 = 18.9 p = 0.0004 |
 1 | 26 | 5 | 10 | 0 | |
 2 | 73 | 22 | 59 | 12 | |
 3 | 20 | 4 | 36 | 3 |