TABLE 5.
Multivariate Cox regression analysis for factors predicting overall survival, Guinea breast cancer Cohort
| Variables | HR | SE | z | p > |z| | [IC 95%] |
|---|---|---|---|---|---|
| Radiotherapy | |||||
| Yes | Ref. [1] | ||||
| No | 1.79 | 0.46 | 2.25 | .024 | [1.07–2.97] |
| Relapse | |||||
| No | Ref. [1] | ||||
| Yes | 4.79 | 1.26 | 5.96 | <.001 | [2.86–8.03] |
| Stage | |||||
| Stage 1 | Ref. [1] | ||||
| Stage 2 | 1.30 | 0.89 | 0.39 | 0.694 | [0.34–5.01] |
| Stage 3 | 1.56 | 0.98 | 0.71 | 0.476 | [0.45–5.34] |
| Body mass index | |||||
| Normal | Ref. [1] | ||||
| Underweight | 1.99 | 1.21 | 1.12 | 0.256 | [0.59–6.76] |
| Overweight | 3.45 | 2.19 | 1.96 | .050 | [1.0003–11.93] |
| Moderate obesity | 2.10 | 1.44 | 1.09 | 0.276 | [0.55–8.06] |
| Severe obesity | 3.54 | 2.18 | 1.00 | 0.277 | [0.47–13.73] |
| Comorbidities | |||||
| No | Ref. [1] | ||||
| Yes | 0.78 | 0.20 | −0.91 | 0.369 | [0.46–1.32] |
| Type of surgery | |||||
| Breast conserving surgery | Ref. [1] | ||||
| Modified radical mastectomy | 2.22 | 2.43 | 1.55 | 0.121 | [0.743–14.18] |
Abbreviations: CT, chemotherapy; HR, hazar ratio; p, p value; Ref, reference; RT, radiotherapy; S, surgery; SE, standard error.