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. 2011 Sep 16;19(e1):e54–e59. doi: 10.1136/amiajnl-2011-000335

Table 1.

Rate of linkage of EDW records to Utah Population Database by completeness of record

Number of records Linkage rate (%)
All EDW records 5 636 907 60.8
Minimally complete EDW records 3 385 716 75.4
Records without any missing values 13 489 99.3
Records missing 1 value 375 915 95.6
Records missing 2 values 2 017 797 80.7
Records missing 3 values 1 929 683 57.2
Records missing 4 values 1 062 850 29.5
Records missing 5 values 166 115 3.6
Records missing 6 or more values 71 058 0.0
Average number of missing values per record 1.9

EDW, enterprise data warehouse.