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Table 2 Inclusion per type of center

From: Review of the recruitment process for a large investigator-initiated trial in early Parkinson’s disease

 

Number of centers

Included patients (% of total patients)

Mean number included patients/center

Academic center

7

111 (24.9)

15.9 (range 3–40)

Non-academic center

50

335 (75.1)

6.7 (range 1–48)

1 included patient/center

13

13 (2.9)

1

2–5 included patients/center

22

68 (15.2)

3

6–10 included patients/center

7

52 (11.7)

7

11–20 included patients/center

10

131 (29.4)

13.1

> 20 included patients/center

5

182 (40.8)

36.1

No. of centers of 15 best including centers in the main study region

8 out of 15