Table 3.
Percentage of Lymph Node Positive Patients with Presence and Absence of Alveolar Structures in Breast Tumor
| |
Lymph node positive patients with alveolar and other morphological structures, n/N (%) |
|||
|---|---|---|---|---|
| |
Premenopausal |
Postmenopausal |
||
| No. of different types of morphological structures | Alveolar | Other | Alveolar | Other |
| 1 | 1/1 (100.0) | 0/3 (0.0) | 0/0 (0.0) | 0/0 (0.0) |
| 2 | 1/7 (14.2) | 2/9 (22.2) | 4/8 (50.0)a | 1/17 (5.9) |
| 3 | 3/8 (37.5) | 1/6 (16.7) | 15/26 (58.0)a | 1/10 (10.0) |
| 4 | 7/16 (43.7) | 0/0 (0.0) | 13/22 (59.0) | 0/2 (0.0) |
| 5 | 2/3 (66.7) | 0/0 (0.0) | 8/14 (57.1) | 0/0 (0.0) |
| Regression coefficient (β) | 0.97 | 0.69 | ||
| p-Value | 0.02 | 0.30 | ||
Regression coefficient and p-value are based on four observations: one, two, three, and four types.
a
p=0.02 (Fisher's exact test, differences between postmenopausal patients with alveolar and other structures).
n, number of patients with alveolar/other structures and lymph node metastases; N, number of patients in sample.