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Table 1 Recruitment success by centre

From: Reflecting on the methodological challenges of recruiting to a United Kingdom-wide, multi-centre, randomised controlled trial in gynaecology outpatient settings

Centre number

Total randomised

Recruitment period (months)

Geographic location

Local researcher (Y/N)

a1

130

30

Scotland

Y

2

0

23

Northern Ireland

N

3

12

27

Scotland

Y

4

0

0

England

Y

5

37

28

Scotland

Y

6

3

20

Scotland

Y

7

20

29

Scotland

Y

8

30

23

Scotland

Y

9

33

13

England

Y

10

6

27

Scotland

N

11

6

27

Scotland

Y

a12

38

30

Scotland

Y

13

1

28

Scotland

N

14

5

23

England

N

15

28

29

Scotland

N

16

0

30

Scotland

N

c17

19

33

New Zealand

Y

18

0

30

Scotland

N

19

7

22

England

N

b20

8

9

England

Y

b21

2

12

England

Y

b22

6

11

England

Y

b23

14

14

England

N

b24

7

13

England

Y

b25

6

13

England

Y

b26

3

12

England

Y

b27

0

9

England

N

b28

3

9

England

Y

b29

2

13

Northern Ireland

N

b,c30

22

24

Sydney

N

  1. aPilot centres. Recruitment numbers do not include women from the pilot study. bNew centre recruited as a result of trial extension. cThese centres were funded and managed separately from the UK centres, and recruitment started earlier in the New Zealand centre. Recruitment never started in centres 2, 4, 16, 18 and 27.