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Several pairs of strong correlations between node position and node feature on a referral path
| Node position measure | Node feature about referral path | Correlation coefficient |
|---|---|---|
| Betweenness centrality | #paths with the node | 0.607 |
| PageRank centrality | #paths with the node | 0.852 |
| PageRank centrality | #paths with multiple occurrences | 0.740 |
| h-index | #paths with the node | 0.783 |
| h-index | #cross-PHN referral proposed by the physician | 0.640 |
