Table 2:
Ranking performance
| Rank | P1 (using ontology) | Cumulative P1 | P2 (Lucene matching) | Cumulative P2 |
|---|---|---|---|---|
| 1 | 63.9% (n = 122) | 63.9% (n = 122) | 51.3% (n = 98) | 51.3% (n = 98) |
| 2 | 14.1% (n = 27) | 78.0% (n = 149) | 12.0% (n = 23) | 63.4% (n = 121) |
| 3 | 8.40% (n = 16) | 86.4% (n = 165) | 8.37% (n = 16) | 71.7% (n = 137) |
| 4 | 3.10% (n = 6) | 89.5% (n = 171) | 4.18% (n = 8) | 75.9% (n = 145) |
| 5 | 3.70% (n = 7) | 93.2% (n = 178) | 5.23% (n = 10) | 81.2% (n = 155) |
| 6 | 3.10% (n = 6) | 96.3% (n = 184) | 1.04% (n = 2) | 82.2% (n = 157) |
| 7 | 0.00% (n = 6) | 96.3% (n = 184) | 0.00% (n = 0) | 82.2% (n = 157) |
| 8 | 1.50% (n = 3) | 97.8% (n = 187) | 1.04% (n = 2) | 83.2% (n = 159) |
| 9 | 0.60% (n = 1) | 98.4% (n = 188) | 2.09% (n = 4) | 85.3% (n = 163) |
| 10 | 0.00% (n = 0) | 98.4% (n = 188) | 0.52% (n = 1) | 85.6% (n = 164) |
| ≥10 | 0.00% (n = 0) | 98.4% (n = 188) | 3.66% (n = 7) | 89.5% (n = 171) |
| Not found | 1.60% (n = 3) | 10.5% (n = 20) | ||
| Total | 100% (n = 191) | 100% (n = 191) |
P1,2 shows the rank of 191 expert selected ‘best’ matches within the automatically produced lists of relevant matches, using ontology annotations of the desired data elements or Lucene matching only, respectively. BiobankConnect predicted ‘best’ matches as first choice (rank 1) in 63.9% of cases and within the ‘top 10’ in 98.4% of cases.