Table 12. Cox regression model for independent variables.
| Variable | Unadjusted | Adjusted | ||
|---|---|---|---|---|
| HR (95%CI) | p value | HR (95%CI) | p value | |
|
Education Non-formal (ref) Formal |
0.76 (0.58–0.98) |
0.033 |
0.74 (0.46–1.20) |
0.228 |
|
Height (m) <1.7 (ref) >1.7 |
0.59 (0.31–1.12) |
0.107 |
0.38 (0.09–1.59) |
0.185 |
|
Tumour site Unilateral (ref) Bilateral |
1.96 (1.14–3.37) |
0.015 |
0.97 (0.34–2.76) |
0.956 |
|
Clinical tumour size (cm) <5 (ref) >5 |
1.94 (1.30–2.94) |
0.001 |
2.19 (1.09–4.43) |
0.028 |
|
Stage of presentation Early stage (ref) Late stage |
2.07 (1.50–2.85) |
<0.001 |
0.68 (0.28–1.66) |
0.397 |
| Liver metastasis | 2.06 (1.30–3.27) | 0.002 | 1.29 (0.46–3.46) | 0.643 |
| Lung metastasis | 1.73 (1.26–2.37) | 0.001 | 1.63 (0.77–3.45) | 0.198 |
| Total metastasis | 1.76 (1.35–2.30) | <0.001 | 1.09 (0.55–2.16) | 0.801 |
|
Clinical axillary lymph nodes metastasis Non-palpable (ref) Palpable |
1.79 (1.40–2.29) |
<0.001 |
1.67 (0.90–3.09) |
0.103 |
| Supraclavicular lymph node | 1.76 (1.20–2.58) | 0.004 | 1.80 (0.69–4.70) | 0.231 |
|
Mode of surgery BCS (ref) Mastectomy |
1.68 (1.09–2.59) |
0.018 |
0.67 (0.26–1.74) |
0.410 |
| Axillary clearance | 1.94 (1.44–2.63) | <0.001 | 1.92 (0.87–4.23) | 0.105 |
HR: hazard ratio