Table 6 Performance for combinations of the extensions
|  | Orig | UMLS & xMG | Δ | xMG & POS | Δ | UMLS & POS | Δ | All 3 | Δ |
|---|---|---|---|---|---|---|---|---|---|
All, first linkage | 74.2 | 75.7 | 5.8 | 76.8 | 10.1 | 76.0 | 7.0 | 76.1 | 7.4 |
All, best linkage | 82.7 | 83.7 | 5.8 | 85.3 | 15.0 | 84.2 | 8.7 | 84.2 | 8.7 |
NT, first linkage | 78.0 | 78.4 | 1.8 | 79.3 | 5.9 | 78.6 | 2.7 | 78.7 | 3.2 |
NT, best linkage | 87.4 | 87.0 | -3.2 | 88.2 | 6.3 | 87.2 | -1.6 | 87.1 | -2.4 |
p | N/A | Â | p < 0.05 | Â | p < 0.01 | Â | p < 0.01 | Â | p < 0.01 |