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Table 1

From: Recruiting patients cost-effectively by mail

 

Centrally-held register

GP practices (Local register)

Others*

Total

Invitations sent

300,188

120,875

2223

423,286

Patients enter run-in

16104

9,741

635

26480

Patients randomised

9013 (3.0%)

6038 (5.0%)

430 (19.3%)

15481 (3.7%)

  1. * HPS follow up/Self/friends/Hospital referral