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Table 2 Aggregated and De-duplicated patient records, results from 4 PCORnet® sites

From: Establishing a framework for privacy-preserving record linkage among electronic health record and administrative claims databases within PCORnet®, the National Patient-Centered Clinical Research Network

 

Aggregated

De-duplicated

 

N

%

N

%

Number of Patients

3,111,792

 

3,108,515

 

Demographics

    

 By Age (N, %)

  0–11

940,050

30.2%

938,890

30.2%

  12–19

554,156

17.8%

553,601

17.8%

  20–34

434,342

14.0%

433,654

14.0%

  35–49

367,632

11.8%

367,308

11.8%

  50–64

395,326

12.7%

395,045

12.7%

  65–74

248,587

8.0%

248,423

8.0%

   ≥ 75

171,699

5.5%

171,592

5.5%

By Sex (N, %)

  Female

1,672,689

53.8%

1,670,951

53.8%

  Male

1,438,905

46.2%

1,437,399

46.2%

  Other/Missing

198

0.0%

163

0.0%

 Discordant

  

0

0.0%

 By Race (N, %)

  American Indian or Alaska Native

6,576

0.2%

6,570

0.2%

  Asian

99,478

3.2%

99,384

3.2%

  Black or African American

589,916

19.0%

589,548

19.0%

  Native Hawaiian or Other Pacific Islander

2,582

0.1%

2,580

0.1%

  White

1,933,687

62.1%

1,931,937

62.1%

  Other/Missing

479,553

15.4%

478,433

15.4%

 Discordant

  

63

0.0%