From: Clinical records anonymisation and text extraction (CRATE): an open-source software system
Metric | Condition 1 | Condition 2 | Condition 3 |
---|---|---|---|
Number of words in source text (n) | 50,274 | 50,274 | 50,274 |
Hits | 1,392 | 1,326 | 1,116 |
False alarms | 275 | 132 | 25 |
For known identifiers (those recorded as structured information in the source database): | |||
Misses | 1 | 0 | 0 |
Correct rejections | 48,606 | 48,816 | 49,113 |
Sensitivity = recall | 0.999 | 1 | 1 |
Precision | 0.835 | 0.909 | 0.978 |
For all identifiers (including those not recorded as structured information in the source database): | |||
Misses | 127 | 125 | 128 |
Correct rejections | 48,480 | 48,691 | 49,005 |
Sensitivity = recall | 0.916 | 0.914 | 0.897 |
Precision | 0.835 | 0.909 | 0.978 |