Table 2.
Metastasis Relationship to Lifestyle and Clinicopathological Risk Factors in Patients with Breast Cancer (BCa) Younger Than 40 Years of Age
| Metastasis | ||||
|---|---|---|---|---|
| Yes | No | P | OR (95% CI) | |
| (n = 6) | (n = 13) | |||
| Smoking | 50% (3) | 0 | 0.005* | 5.3 (1.4-14.8) |
| BMI (kg/m2) | 31.2 ± 5.2 | 29.2 ± 5.4 | 0.61 | - |
| DM2 | 16.7% (1) | 7.7% (1) | 0.54 | 2.4 (0.1-46.4) |
| Early menarche | 50.0% (3) | 23.0% (3) | 0.39 | 2.3 (0.3-19.0) |
| Nulliparity | 16.7% (1) | 7.7% (1) | 0.62 | 1.8 (0.1-35.4) |
| Non- breastfeeding | 16.7% (1) | 7.7% (1) | 0.65 | 1.6 (0.3-12.4) |
| Oral contraceptive | 83.3% (5) | 30.8% (4) | 0.04* | 7.5 (0.01-1.6) |
| Age at first pregnancy | 17.0 ± 1.6 | 21.3 + 1.5 | 0.04* | - |
| Right breast | 83.3% (5) | 38.5% (5) | 0.0* | 8.0 (0.7-90.0) |
| Infiltrating ductal carcinoma | 83.3% (5) | 76.9% (10) | 0.62 | 1.5 (0.1-18.4) |
| Clinical stage III–IV | 100.0% (6) | 30.7% (4) | 0.01* | - |
*
Statistical significance; BCa, Breast Cancer; BMI, Body Mass Index; DM2, Type 2 Diabetes Mellitus 2; OR, Odds Ratio; 95% CI, 95% Confidence Interval