Positive and Negative Likelihood Ratios for Breast-Related Reason for Encounter Reported by Visiting Female Patients, Based on Final Diagnosis of Breast Cancer, Dutch Transition Project, 1985–2003
| Reason for Encounter | LR+ (95% CI) | LR− (95% CI) |
|---|---|---|
| CI=confidence interval; LR+ = positive likelihood ratio; LR− = negative likelihood ratio. | ||
| Any breast symptom | 5.41 (4.42–6.63) | 0.86 (0.83–0.90) |
| Breast lump/mass | 15.04 (11.74–19.28) | 0.88 (0.85–0.91) |
| Breast pain | 1.78 (0.99–3.20) | 0.99 (0.97–1.01) |
| Nipple complaint | 3.13 (1.17–8.39) | 0.99 (0.98–1.00) |
| Other breast complaint | 2.72 (1.22–6.07) | 0.99 (0.98–1.00) |
| Fear of breast cancer | 2.27 (0.85–6.08) | 0.99 (0.98–1.00) |