Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
Log in via RCEM
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
Basket
Search
More
Search for this keyword
Advanced search
Latest content
Current issue
Archive
Authors
About
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
Authors
About
Subscribe
Log in
More
Log in via Institution
Log in via OpenAthens
Log in via RCEM
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
BMJ Journals
You are here
Home
Archive
Volume 20, Issue 3
Statistical consideration for research
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Research series
Statistical consideration for research
Online download statistics by month:
Online download statistics by month: May 2003 to March 2024
Abstract
Full
Pdf
May 2003
55
73
54
Jun 2003
21
84
37
Jul 2003
40
117
34
Aug 2003
11
17
9
Sep 2003
14
33
18
Oct 2003
9
77
26
Nov 2003
15
32
12
Dec 2003
22
18
3
Jan 2004
17
33
25
Feb 2004
11
24
11
Mar 2004
20
29
10
Apr 2004
16
21
9
May 2004
39
51
24
Jun 2004
43
68
26
Jul 2004
52
50
19
Aug 2004
58
49
45
Sep 2004
57
64
29
Oct 2004
51
60
35
Nov 2004
22
41
32
Dec 2004
23
39
43
Jan 2005
35
55
36
Feb 2005
23
53
34
Mar 2005
36
63
55
Apr 2005
26
96
48
May 2005
23
78
34
Jun 2005
29
43
30
Jul 2005
20
26
33
Aug 2005
24
51
40
Sep 2005
20
54
57
Oct 2005
22
60
57
Nov 2005
22
72
55
Dec 2005
23
41
32
Jan 2006
9
47
36
Feb 2006
20
37
31
Mar 2006
13
55
41
Apr 2006
3
37
16
May 2006
10
37
24
Jun 2006
8
24
19
Jul 2006
5
38
24
Aug 2006
7
60
27
Sep 2006
9
59
31
Oct 2006
7
97
45
Nov 2006
9
118
43
Dec 2006
4
51
25
Jan 2007
15
57
37
Feb 2007
6
73
42
Mar 2007
11
49
50
Apr 2007
14
19
31
May 2007
14
18
19
Jun 2007
18
15
18
Jul 2007
9
28
28
Aug 2007
24
24
23
Sep 2007
20
16
17
Oct 2007
18
24
23
Nov 2007
9
11
13
Dec 2007
11
8
13
Jan 2008
11
13
17
Feb 2008
14
16
16
Mar 2008
20
13
19
Apr 2008
23
11
14
May 2008
6
11
15
Jun 2008
13
11
7
Jul 2008
23
7
9
Aug 2008
13
8
22
Sep 2008
30
14
12
Oct 2008
29
14
12
Nov 2008
24
10
9
Dec 2008
24
5
7
Jan 2009
22
12
14
Feb 2009
27
7
10
Mar 2009
19
16
21
Apr 2009
27
16
11
May 2009
26
2
13
Jun 2009
22
10
15
Jul 2009
14
8
14
Aug 2009
13
11
10
Sep 2009
27
11
14
Oct 2009
26
4
10
Nov 2009
8
7
15
Dec 2009
17
4
10
Jan 2010
14
8
11
Feb 2010
19
10
13
Mar 2010
26
13
11
Apr 2010
9
19
12
May 2010
6
3
8
Jun 2010
4
1
6
Jul 2010
8
0
9
Aug 2010
10
5
8
Sep 2010
6
3
6
Oct 2010
18
3
10
Nov 2010
14
14
15
Dec 2010
7
12
13
Jan 2011
12
6
8
Feb 2011
26
10
5
Mar 2011
4
9
15
Apr 2011
8
4
8
May 2011
9
2
12
Jun 2011
18
8
10
Jul 2011
9
2
10
Aug 2011
11
2
7
Sep 2011
8
4
10
Oct 2011
8
2
4
Nov 2011
21
15
13
Dec 2011
16
29
22
Jan 2012
37
21
24
Feb 2012
25
13
11
Mar 2012
33
21
24
Apr 2012
50
26
22
May 2012
34
42
22
Jun 2012
23
35
13
Jul 2012
39
61
30
Aug 2012
26
25
21
Sep 2012
37
34
27
Oct 2012
50
51
30
Nov 2012
55
55
21
Dec 2012
25
40
18
Jan 2013
52
50
21
Feb 2013
43
43
33
Mar 2013
43
41
24
Apr 2013
36
65
22
May 2013
34
42
23
Jun 2013
25
25
7
Jul 2013
33
37
22
Aug 2013
26
41
17
Sep 2013
16
33
8
Oct 2013
33
94
25
Nov 2013
29
52
17
Dec 2013
19
53
19
Jan 2014
19
22
9
Feb 2014
42
36
12
Mar 2014
34
35
16
Apr 2014
45
55
25
May 2014
22
61
13
Jun 2014
23
33
8
Jul 2014
15
49
7
Aug 2014
18
52
9
Sep 2014
28
53
21
Oct 2014
15
30
12
Nov 2014
14
79
9
Dec 2014
10
54
6
Jan 2015
19
60
12
Feb 2015
14
59
15
Mar 2015
19
56
14
Apr 2015
32
66
14
May 2015
45
61
19
Jun 2015
27
75
15
Jul 2015
16
48
6
Aug 2015
20
68
10
Sep 2015
35
70
14
Oct 2015
15
35
17
Nov 2015
19
99
31
Dec 2015
10
76
17
Jan 2016
14
47
4
Feb 2016
18
31
8
Mar 2016
27
51
15
Apr 2016
30
39
19
May 2016
36
30
16
Jun 2016
30
22
15
Jul 2016
25
21
14
Aug 2016
24
33
12
Sep 2016
24
26
15
Oct 2016
11
34
5
Nov 2016
7
37
7
Dec 2016
8
52
3
Jan 2017
13
29
6
Feb 2017
5
24
19
Mar 2017
0
24
10
Apr 2017
1
24
6
May 2017
4
34
7
Jun 2017
5
32
13
Jul 2017
17
17
4
Aug 2017
27
27
17
Sep 2017
35
31
7
Oct 2017
25
25
11
Nov 2017
69
67
5
Dec 2017
190
190
7
Jan 2018
179
177
11
Feb 2018
115
106
4
Mar 2018
142
134
8
Apr 2018
87
87
11
May 2018
115
114
14
Jun 2018
82
80
8
Jul 2018
69
69
9
Aug 2018
133
133
17
Sep 2018
126
126
17
Oct 2018
220
220
21
Nov 2018
152
152
10
Dec 2018
171
171
11
Jan 2019
179
176
18
Feb 2019
171
171
10
Mar 2019
157
157
25
Apr 2019
164
164
18
May 2019
160
161
33
Jun 2019
106
106
21
Jul 2019
103
105
12
Aug 2019
109
109
20
Sep 2019
112
112
20
Oct 2019
144
144
25
Nov 2019
119
119
13
Dec 2019
98
98
17
Jan 2020
114
114
22
Feb 2020
126
125
10
Mar 2020
118
118
15
Apr 2020
121
121
10
May 2020
89
89
18
Jun 2020
66
66
12
Jul 2020
95
96
11
Aug 2020
64
60
12
Sep 2020
104
104
6
Oct 2020
127
127
15
Nov 2020
147
147
41
Dec 2020
199
199
29
Jan 2021
174
174
23
Feb 2021
186
186
19
Mar 2021
64
64
13
Apr 2021
41
40
7
May 2021
51
51
10
Jun 2021
37
37
14
Jul 2021
70
71
19
Aug 2021
195
199
17
Sep 2021
244
250
34
Oct 2021
233
240
41
Nov 2021
254
259
35
Dec 2021
156
156
21
Jan 2022
137
140
22
Feb 2022
174
187
18
Mar 2022
203
225
49
Apr 2022
303
314
29
May 2022
248
252
52
Jun 2022
175
188
22
Jul 2022
166
172
19
Aug 2022
174
185
27
Sep 2022
130
136
25
Oct 2022
226
238
56
Nov 2022
195
199
29
Dec 2022
137
141
26
Jan 2023
123
127
22
Feb 2023
239
246
18
Mar 2023
274
282
36
Apr 2023
251
257
43
May 2023
241
249
51
Jun 2023
211
219
35
Jul 2023
232
236
31
Aug 2023
199
204
42
Sep 2023
297
305
24
Oct 2023
228
234
46
Nov 2023
218
226
35
Dec 2023
494
60
15
Jan 2024
126
5
6
Feb 2024
162
3
4
Mar 2024
114
11
4
Total
15930
17703
4940
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
Log in via RCEM
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?