Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
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 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 26, Issue 3
Combining and converting groups when extracting data for meta-analysis
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
EBM learning
Combining and converting groups when extracting data for meta-analysis
Online download statistics by month:
Online download statistics by month: February 2021 to February 2024
Abstract
Full
Pdf
Feb 2021
925
31
22
Mar 2021
284
22
8
Apr 2021
114
6
2
May 2021
81
27
15
Jun 2021
14
9
7
Jul 2021
15
12
8
Aug 2021
6
5
8
Sep 2021
7
3
3
Oct 2021
76
5
4
Nov 2021
125
7
3
Dec 2021
73
2
1
Jan 2022
156
7
5
Feb 2022
69
2
1
Mar 2022
70
8
3
Apr 2022
112
10
6
May 2022
167
6
4
Jun 2022
113
8
4
Jul 2022
106
5
5
Aug 2022
133
6
2
Sep 2022
154
4
4
Oct 2022
122
6
5
Nov 2022
270
7
12
Dec 2022
129
3
13
Jan 2023
80
5
9
Feb 2023
163
4
8
Mar 2023
135
5
4
Apr 2023
77
5
7
May 2023
52
1
3
Jun 2023
31
5
3
Jul 2023
94
4
8
Aug 2023
86
6
11
Sep 2023
42
5
3
Oct 2023
115
3
2
Nov 2023
80
5
1
Dec 2023
102
4
3
Jan 2024
51
0
0
Feb 2024
81
2
1
Total
4510
255
208
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
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?