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Table 3 Characteristics for clinical drug trials in general practice

From: Clinical drug trials in general practice: a 10-year overview of protocols

  Patients planned for inclusion Clinical investigators Payment
  Norway All countries Trial duration, weeks General practicea All sites in Norway Investigators' payment per patient, €b Estimated yearly income per investigator, €c
Median 60 672.5 24 5 7 1,900 1,600
Minimum to maximum 8 to 2,500 8 to 31,000 1 to 288 1 to 402 1 to 402 0 to 13,500 0 to 59,000
2.5 to 97.5 percentile 13 to 560 50 to 14,368 3 to 240 1 to 37 1 to 61 0 to 7,500 0 to 25,000
Sum 23,635 337,921   1,920 2,475   
  1. This table shows trial characteristics of applications at the Norwegian Medicines Agency (NoMA), 1998 to 2007, for 196 clinical drug trials conducted solely or partly in general practice identified by hand searching of the archive.
  2. aGeneral practitioners (GPs) participated in clinical trials from 1 to 36 times, with median 1 and interquartile range 1 to 2. A total of 831 unique GPs participated.
  3. bInformation missing in 90 applications.
  4. cCalculated using median payment and median number of patients recruited per investigator. This payment covers all expenses connected with the trial for the investigator.