Table 1. Distribution of demographic and clinical variables in breast cancer patients in the PECS and non-PECS groups (n = 82).
| Variable | PECS group (n=40) | Non-PECS group (n=42) | p-value |
|---|---|---|---|
| n (%) | n (%) | ||
| Sex | |||
| Male | 2 (5.00) | 1 (2.40) | 0.563 |
| Female | 38 (95.00) | 41 (97.60) | |
| Comorbidity | |||
| SAH | 14 (35.90) | 10 (23.81) | 0.448 |
| DM | 3 (7.69) | 2 (4.76) | |
| DM + SAH | 2 (5.13) | 6 (14.29) | |
| Others | 2 (5.13) | 1 (2.38) | |
| No comorbidity | 18 (46.15) | 24 (54.76) | |
| Histological Type | |||
| IDC | 38 (95.00) | 39 (92.86) | 0.707 |
| Carcinoma in situ | 1 (2.50) | 1 (2.38) | 0.958 |
| Lobular carcinoma | 1 (2.50) | 0 (0.00) | 0.299 |
| Others | 0 (0.00) | 2 (4.76) | 0.170 |
| Staging | |||
| T1 | 3 (7.5) | 3 (7.14) | 0.624 |
| T2 | 11 (27.50) | 9 (21.43) | 0.382 |
| T3 | 13 (32.50) | 20 (47.62) | 0.759 |
| T4 | 12 (30.00) | 10 (23.81) | 0.513 |
| Undetermined | 1 (2.50) | 0 (0.00) | 0.292 |
| Molecular classification of the tumor | |||
| Luminal A | 16 (40.0) | 12 (28.57) | 0.130 |
| Luminal B | 13 (32.50) | 12 (28.57) | 0.097 |
| Triple negative | 5 (12.50) | 13 (30.95) | 0.311 |
| Her2 overexpression | 0 (0.00) | 2 (4.76) | 0.675 |
| Undetermined | 6 (15.00) | 3 (7.14) | 0.352 |
| Neoadjuvant chemotherapy | |||
| Yes | 33 (82.50) | 34 (80.95) | 0.947 |
| No | 7 (17.50) | 8 (19.05) | 0.947 |
The data are presented as the mean (SD) in each group.*SAH: Systemic arterial hypertension; DM: diabetes mellitus; IDC: invasive ductal carcinoma. **Chi-square test.