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Table 7 General practice eligibility for analysis in the two trials

From: Cluster randomized trials utilizing primary care electronic health records: methodological issues in design, conduct, and analysis (eCRT Study)

 

UTS start to intervention start (median IQR, Years)

Number of practices with UTS start > intervention start

Intervention start to last collection date (median IQR, Years)

Number of practices with last collection before intervention start

Number of practices with last collection before intervention start plus one year

Antibiotic trial

     

Intervention practices

11.9 (8.6 to 14.9)

2

1.6 (1.4 to 1.7)

1

1

Control practices

12.1 (9.3 to 17.5)

1

1.5 (1.4 to 1.7)

0

4

Stroke trial

     

Intervention practices

12.4 (9.9 to 19.9)

0

1.3 (1.2 to 1.4)

0

2

Control practices

13.7 (11.2 to 21.5)

0

1.4 (1.3 to 1.5)

2

3

  1. IQR, interquartile range; UTS, up-to-standard.