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. 2011 Nov 29;11(1):33–40. doi: 10.1007/s10689-011-9495-1

Table 3.

Observed and expected numbers of breast cancers

Observed (O) Expected (E) O/E (95% CI) ROC area (95% CI)
Invasive BCs
 25 E: 17.74 1.41 (0.91–2.08) 0.62 (0.52–0.73)
All BCsa
 30 E: 17.74 1.69 (1.14–2.41)* 0.63 (0.51–0.78)

Discrimination between individuals diagnosed with breast cancer and individuals without diagnosis measured by area under the ROC curve

BC breast cancer. a Including 5 DCIS. * Significant deviation from 1