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Volume 63, Issue 11
How the type of risk reduction influences required sample sizes in randomised clinical trials
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How the type of risk reduction influences required sample sizes in randomised clinical trials
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Online download statistics by month: July 2004 to March 2024
Abstract
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Pdf
Jul 2004
64
0
61
Aug 2004
47
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21
Sep 2004
34
1
7
Oct 2004
94
52
73
Nov 2004
92
93
50
Dec 2004
63
47
26
Jan 2005
85
82
13
Feb 2005
70
63
4
Mar 2005
72
74
3
Apr 2005
18
65
10
May 2005
19
23
5
Jun 2005
16
22
5
Jul 2005
15
27
10
Aug 2005
8
21
2
Sep 2005
16
34
10
Oct 2005
20
33
2
Nov 2005
13
37
15
Dec 2005
6
18
6
Jan 2006
14
27
11
Feb 2006
7
21
5
Mar 2006
3
10
9
Apr 2006
5
33
15
May 2006
1
16
8
Jun 2006
6
8
6
Jul 2006
2
6
8
Aug 2006
8
17
14
Sep 2006
7
33
8
Oct 2006
6
15
22
Nov 2006
3
22
11
Dec 2006
3
13
10
Jan 2007
8
30
15
Feb 2007
3
37
14
Mar 2007
2
28
14
Apr 2007
12
10
10
May 2007
9
18
10
Jun 2007
18
8
8
Jul 2007
12
16
11
Aug 2007
20
4
9
Sep 2007
19
10
6
Oct 2007
26
11
15
Nov 2007
15
12
9
Dec 2007
10
13
12
Jan 2008
21
5
5
Feb 2008
18
11
5
Mar 2008
19
5
7
Apr 2008
23
5
8
May 2008
21
10
9
Jun 2008
22
8
1
Jul 2008
19
5
4
Aug 2008
19
12
6
Sep 2008
30
10
8
Oct 2008
13
2
4
Nov 2008
15
5
4
Dec 2008
7
5
4
Jan 2009
19
7
4
Feb 2009
9
2
1
Mar 2009
8
2
2
Apr 2009
9
8
5
May 2009
14
7
8
Jun 2009
9
1
2
Jul 2009
6
1
1
Aug 2009
6
4
4
Sep 2009
11
0
0
Oct 2009
10
7
2
Nov 2009
11
9
3
Dec 2009
16
4
8
Jan 2010
5
1
0
Feb 2010
7
5
6
Mar 2010
9
4
4
Apr 2010
12
1
2
May 2010
3
0
0
Jun 2010
19
1
5
Jul 2010
3
2
7
Aug 2010
5
3
1
Sep 2010
3
0
0
Oct 2010
25
0
1
Nov 2010
7
1
5
Dec 2010
5
1
1
Jan 2011
5
1
1
Feb 2011
3
0
0
Mar 2011
8
0
0
Apr 2011
5
0
0
May 2011
13
1
0
Jun 2011
17
0
0
Jul 2011
39
1
0
Aug 2011
38
0
2
Sep 2011
16
0
0
Oct 2011
35
0
1
Nov 2011
20
0
1
Dec 2011
36
6
7
Jan 2012
18
8
14
Feb 2012
16
1
8
Mar 2012
21
0
8
Apr 2012
21
10
9
May 2012
30
12
9
Jun 2012
18
12
13
Jul 2012
15
6
9
Aug 2012
28
7
10
Sep 2012
23
5
15
Oct 2012
35
7
12
Nov 2012
30
4
5
Dec 2012
26
4
8
Jan 2013
30
11
19
Feb 2013
30
8
8
Mar 2013
20
3
17
Apr 2013
38
6
17
May 2013
29
8
16
Jun 2013
7
6
26
Jul 2013
22
4
23
Aug 2013
19
1
9
Sep 2013
26
1
8
Oct 2013
30
8
5
Nov 2013
15
4
10
Dec 2013
16
0
10
Jan 2014
27
1
17
Feb 2014
25
0
9
Mar 2014
16
4
10
Apr 2014
21
4
21
May 2014
22
3
18
Jun 2014
9
2
2
Jul 2014
32
9
9
Aug 2014
18
3
14
Sep 2014
26
0
3
Oct 2014
15
2
2
Nov 2014
9
1
2
Dec 2014
9
2
0
Jan 2015
9
3
10
Feb 2015
10
3
4
Mar 2015
14
13
8
Apr 2015
21
4
12
May 2015
15
2
5
Jun 2015
15
4
5
Jul 2015
20
0
6
Aug 2015
13
0
12
Sep 2015
20
5
56
Oct 2015
9
1
8
Nov 2015
12
0
7
Dec 2015
11
2
10
Jan 2016
14
2
11
Feb 2016
8
0
1
Mar 2016
5
2
15
Apr 2016
6
4
22
May 2016
14
5
18
Jun 2016
2
0
12
Jul 2016
5
2
13
Aug 2016
10
4
7
Sep 2016
15
4
15
Oct 2016
28
4
14
Nov 2016
13
1
4
Dec 2016
17
3
0
Jan 2017
11
0
2
Feb 2017
3
4
4
Mar 2017
4
3
0
Apr 2017
0
9
0
May 2017
3
14
1
Jun 2017
7
6
4
Jul 2017
3
2
0
Aug 2017
12
12
4
Sep 2017
11
9
14
Oct 2017
7
7
18
Nov 2017
14
12
5
Dec 2017
16
16
2
Jan 2018
7
7
6
Feb 2018
18
14
7
Mar 2018
10
6
3
Apr 2018
9
9
1
May 2018
11
12
2
Jun 2018
22
22
7
Jul 2018
16
14
6
Aug 2018
31
27
21
Sep 2018
63
63
4
Oct 2018
51
47
8
Nov 2018
55
55
15
Dec 2018
55
51
5
Jan 2019
47
46
3
Feb 2019
56
57
8
Mar 2019
41
40
9
Apr 2019
41
39
12
May 2019
66
66
11
Jun 2019
44
44
12
Jul 2019
29
29
16
Aug 2019
43
43
20
Sep 2019
38
38
19
Oct 2019
57
57
22
Nov 2019
46
46
16
Dec 2019
43
43
8
Jan 2020
65
65
15
Feb 2020
60
60
22
Mar 2020
45
45
10
Apr 2020
39
39
10
May 2020
42
42
11
Jun 2020
36
36
7
Jul 2020
32
32
8
Aug 2020
31
30
10
Sep 2020
32
32
9
Oct 2020
59
59
10
Nov 2020
44
45
5
Dec 2020
43
43
6
Jan 2021
49
49
10
Feb 2021
62
62
13
Mar 2021
52
52
7
Apr 2021
58
58
10
May 2021
46
46
10
Jun 2021
40
40
8
Jul 2021
61
61
18
Aug 2021
45
45
11
Sep 2021
66
66
11
Oct 2021
57
57
19
Nov 2021
64
64
33
Dec 2021
48
50
10
Jan 2022
41
42
6
Feb 2022
84
81
12
Mar 2022
58
59
7
Apr 2022
65
72
14
May 2022
86
90
28
Jun 2022
56
61
18
Jul 2022
44
44
2
Aug 2022
65
66
8
Sep 2022
71
73
26
Oct 2022
51
53
7
Nov 2022
63
62
12
Dec 2022
47
48
9
Jan 2023
50
50
5
Feb 2023
69
69
5
Mar 2023
47
48
12
Apr 2023
68
71
5
May 2023
75
76
10
Jun 2023
82
81
7
Jul 2023
71
71
10
Aug 2023
115
115
9
Sep 2023
45
45
6
Oct 2023
53
52
7
Nov 2023
69
66
13
Dec 2023
123
15
1
Jan 2024
59
1
0
Feb 2024
29
3
0
Mar 2024
28
1
2
Total
6642
5170
2221
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