Across the 9 provider organizations that enabled auto-query, the ratio of automatic to manual links ranged from 2:1 to 31:1. Impact of patient consent Provider organizations that required consent experienced a marginally statistically significant increase in clinical summary exchange volume of 510 summaries per month (P = .066, Table 3 ).
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Health information exchange policies of 11 diverse health systems and the associated impact on volume of exchange.
2
0.0660
0.0660
The sentences
This indicates that there may be significant numbers of patients with records elsewhere that are not identified when relying on manual querying alone.