Table 8.
Table 8 Top 20 Contexts with the Anonymous Nodes Identified (Ranked by the Proportion of Anonymous Nodes)
| SCTID | Concept Name | Lattice NodeNum (LNN) | Anonymous NodeNum (ANN) | Proportion (ANN/LNN) | Domain |
|---|---|---|---|---|---|
| 129233004 | Procedure on bone (organ) | 30678 | 27613 | 90.0% | Procedure |
| 118699001 | Procedure on pelvis | 42631 | 36885 | 86.5% | Procedure |
| 118710009 | Procedure on lower extremity | 18977 | 16262 | 85.7% | Procedure |
| 118745001 | Procedure on joint | 15793 | 13483 | 85.4% | Procedure |
| 928000 | Disorder of musculoskeletal system | 66985 | 56673 | 84.6% | Clinical finding |
| 129152004 | Procedure on back | 1828 | 1524 | 83.4% | Procedure |
| 417163006 | Traumatic and/or nontraumatic injury | 59739 | 48249 | 80.8% | Clinical finding |
| 71861002 | Implantation | 8162 | 6440 | 78.9% | Procedure |
| 118943001 | Disorder of pelvis | 34179 | 26666 | 78.0% | Clinical finding |
| 414252009 | Finding of back | 12198 | 9508 | 77.9% | Clinical finding |
| 118712001 | Procedure on thigh | 1040 | 810 | 77.9% | Procedure |
| 373196008 | Operative procedure on bone of lower extremity | 1519 | 1179 | 77.6% | Procedure |
| 76069003 | Disorder of bone | 23408 | 18156 | 77.6% | Clinical finding |
| 230896003 | Intracranial vascular operation | 519 | 399 | 76.9% | Procedure |
| 118953000 | Bone finding | 24216 | 18516 | 76.5% | Clinical finding |
| 38629001 | Operative procedure on the arteries of the thorax and abdomen | 2796 | 2130 | 76.2% | Procedure |
| 112698002 | Operation on joint | 6062 | 4614 | 76.1% | Procedure |
| 2119009 | Repair of blood vessel | 5139 | 3832 | 74.6% | Procedure |
| 120166004 | Mediastinum repair | 2249 | 1661 | 73.9% | Procedure |
| 239364005 | Maxillofacial bone operation | 1336 | 979 | 73.3% | Procedure |
anonymousNodeNum (ANN) = number of anonymous nodes; latticeNodeNum (LNN) = number of lattice nodes; proportion(ANN/LNN) = the ratio of anonymousNodeNum over latticeNodeNum.