Table 4.
Multiple regression model* assessing the factors that determine late stage (Stage III and IV) at presentation of breast cancer cases diagnosed in Tanzania, 2007–2009
| Variables by level | OR | 95% CI | P-value |
|---|---|---|---|
| Age# | |||
| 0–8.5 | 1.00 | – | – |
| > 48.5 | 1.93 | 0.29, 12.83 | 0.497 |
| Menopausal Status | |||
| Pre-menopausal | 1.00 | ||
| Post-menopausal | 1.39 | 0.21, 9.19 | 0.733 |
| Duration of symptoms | |||
| 0–9 months | 1.00 | – | – |
| > 9 months | 0.95 | 0.62, 1.45 | 0.82 |
| Pain | |||
| No | 1.00 | – | – |
| Yes | 2.05 | 0.77, 5.43 | 0.15 |
| Ulcer | |||
| No | 1.00 | – | – |
| Yes | 4.97 | 1.07, 23.04 | 0.04 |
| Nipple retraction | |||
| No | 1.00 | – | – |
| Yes | 2.99 | 0.64, 14 | 0.163 |
| Edema | |||
| No | 1.00 | – | – |
| Yes | 0.80 | 0.23, 2.72 | 0.719 |
| Peau d’Orange | |||
| No | 1.00 | – | – |
| Yes | 6.78 | 1.48, 31.17 | 0.014 |
*
Unconditional logistic regression comparing 179 late-stage and 21 early-stage cases.
#
Median age has been used to create the two age-categories.