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Volume 55, Issue 3
Level of aggregation for optimal epidemiological analysis: the case of time to surgery and unnecessary removal of the normal appendix
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Theory and methods
Level of aggregation for optimal epidemiological analysis: the case of time to surgery and unnecessary removal of the normal appendix
Online download statistics by month:
Online download statistics by month: February 2001 to March 2024
Abstract
Full
Pdf
Feb 2001
21
24
14
Mar 2001
18
24
9
Apr 2001
10
14
2
May 2001
3
6
1
Jun 2001
2
9
4
Jul 2001
4
7
3
Aug 2001
2
5
1
Sep 2001
4
18
2
Oct 2001
2
5
1
Nov 2001
5
7
1
Dec 2001
3
2
3
Jan 2002
4
6
0
Feb 2002
4
12
2
Mar 2002
2
4
3
Apr 2002
3
6
1
May 2002
1
6
1
Jun 2002
1
1
1
Jul 2002
0
3
1
Aug 2002
0
4
2
Sep 2002
2
3
1
Oct 2002
2
4
4
Nov 2002
0
1
0
Dec 2002
2
6
0
Jan 2003
0
4
0
Feb 2003
2
3
1
Mar 2003
4
1
1
Apr 2003
1
7
4
May 2003
3
6
1
Jun 2003
1
3
2
Jul 2003
5
7
2
Aug 2003
21
16
4
Sep 2003
6
9
0
Oct 2003
18
7
0
Nov 2003
12
7
3
Dec 2003
12
8
0
Jan 2004
11
22
1
Feb 2004
6
7
2
Mar 2004
12
10
2
Apr 2004
20
19
0
May 2004
30
36
2
Jun 2004
32
29
1
Jul 2004
27
42
4
Aug 2004
13
20
5
Sep 2004
14
55
7
Oct 2004
13
35
3
Nov 2004
11
48
6
Dec 2004
10
50
7
Jan 2005
15
32
3
Feb 2005
7
56
26
Mar 2005
12
40
8
Apr 2005
10
42
6
May 2005
5
10
2
Jun 2005
3
17
3
Jul 2005
5
17
4
Aug 2005
5
24
11
Sep 2005
5
27
6
Oct 2005
3
13
13
Nov 2005
6
45
6
Dec 2005
6
24
16
Jan 2006
6
19
3
Feb 2006
5
17
9
Mar 2006
1
11
4
Apr 2006
1
30
4
May 2006
2
16
4
Jun 2006
0
12
2
Jul 2006
3
24
6
Aug 2006
5
13
4
Sep 2006
4
24
3
Oct 2006
5
33
8
Nov 2006
6
44
11
Dec 2006
1
22
8
Jan 2007
5
39
12
Feb 2007
1
12
4
Mar 2007
6
17
9
Apr 2007
10
2
2
May 2007
10
7
2
Jun 2007
21
1
1
Jul 2007
12
9
2
Aug 2007
11
7
3
Sep 2007
12
1
2
Oct 2007
16
5
4
Nov 2007
11
1
3
Dec 2007
8
2
0
Jan 2008
10
3
2
Feb 2008
12
3
3
Mar 2008
15
4
7
Apr 2008
13
2
4
May 2008
7
1
1
Jun 2008
5
0
4
Jul 2008
19
1
0
Aug 2008
9
2
2
Sep 2008
16
1
3
Oct 2008
4
1
0
Nov 2008
5
3
0
Dec 2008
4
1
0
Jan 2009
3
2
1
Feb 2009
11
3
2
Mar 2009
6
2
1
Apr 2009
5
4
4
May 2009
7
3
1
Jun 2009
4
1
0
Jul 2009
4
2
0
Aug 2009
7
2
2
Sep 2009
13
2
2
Oct 2009
16
1
2
Nov 2009
10
2
1
Dec 2009
6
0
0
Jan 2010
3
0
1
Feb 2010
9
1
0
Mar 2010
3
8
3
Apr 2010
9
4
1
May 2010
3
0
0
Jun 2010
2
1
3
Jul 2010
4
1
3
Aug 2010
1
0
1
Sep 2010
2
1
2
Oct 2010
14
3
1
Nov 2010
9
2
0
Dec 2010
6
2
0
Jan 2011
3
2
1
Feb 2011
4
5
1
Mar 2011
5
0
1
Apr 2011
6
1
1
May 2011
8
0
1
Jun 2011
4
0
0
Jul 2011
5
0
1
Aug 2011
6
0
0
Sep 2011
3
0
0
Oct 2011
5
1
0
Nov 2011
9
3
2
Dec 2011
7
9
0
Jan 2012
6
3
4
Feb 2012
3
8
2
Mar 2012
8
2
1
Apr 2012
7
6
1
May 2012
6
5
5
Jun 2012
1
6
7
Jul 2012
5
10
6
Aug 2012
13
11
5
Sep 2012
5
7
6
Oct 2012
13
8
2
Nov 2012
17
19
3
Dec 2012
8
8
7
Jan 2013
26
15
8
Feb 2013
6
17
3
Mar 2013
11
29
3
Apr 2013
6
18
7
May 2013
10
26
11
Jun 2013
3
10
0
Jul 2013
5
11
1
Aug 2013
7
19
3
Sep 2013
3
51
1
Oct 2013
5
38
1
Nov 2013
3
46
14
Dec 2013
1
46
5
Jan 2014
0
83
9
Feb 2014
0
49
6
Mar 2014
14
67
4
Apr 2014
6
67
4
May 2014
7
114
7
Jun 2014
3
51
7
Jul 2014
5
44
6
Aug 2014
2
25
1
Sep 2014
12
53
5
Oct 2014
1
62
4
Nov 2014
13
53
9
Dec 2014
6
96
7
Jan 2015
8
65
9
Feb 2015
7
52
5
Mar 2015
5
147
6
Apr 2015
5
101
3
May 2015
3
81
3
Jun 2015
2
86
9
Jul 2015
3
58
6
Aug 2015
0
101
18
Sep 2015
9
32
5
Oct 2015
2
12
4
Nov 2015
0
39
5
Dec 2015
5
54
6
Jan 2016
3
19
8
Feb 2016
6
17
4
Mar 2016
9
15
9
Apr 2016
2
19
10
May 2016
10
46
12
Jun 2016
25
12
7
Jul 2016
8
17
13
Aug 2016
7
10
6
Sep 2016
7
12
13
Oct 2016
8
11
11
Nov 2016
15
15
19
Dec 2016
6
14
3
Jan 2017
6
6
2
Feb 2017
2
7
1
Mar 2017
1
8
1
Apr 2017
3
15
1
May 2017
0
15
1
Jun 2017
6
12
9
Jul 2017
11
11
1
Aug 2017
9
9
0
Sep 2017
15
13
2
Oct 2017
15
11
3
Nov 2017
18
16
0
Dec 2017
159
155
2
Jan 2018
19
15
1
Feb 2018
135
105
2
Mar 2018
13
11
3
Apr 2018
26
26
4
May 2018
28
29
4
Jun 2018
59
55
5
Jul 2018
38
38
5
Aug 2018
33
33
8
Sep 2018
38
38
2
Oct 2018
73
73
16
Nov 2018
76
75
7
Dec 2018
65
65
6
Jan 2019
57
56
3
Feb 2019
58
54
5
Mar 2019
45
36
12
Apr 2019
12
7
7
May 2019
38
28
9
Jun 2019
12
12
6
Jul 2019
15
15
8
Aug 2019
9
9
5
Sep 2019
21
19
12
Oct 2019
13
13
5
Nov 2019
17
16
9
Dec 2019
119
19
5
Jan 2020
19
16
7
Feb 2020
33
28
6
Mar 2020
28
24
9
Apr 2020
50
49
3
May 2020
62
62
12
Jun 2020
35
33
4
Jul 2020
21
21
6
Aug 2020
30
30
10
Sep 2020
43
41
8
Oct 2020
60
59
8
Nov 2020
24
23
5
Dec 2020
25
25
4
Jan 2021
18
16
7
Feb 2021
49
45
7
Mar 2021
49
49
4
Apr 2021
21
19
4
May 2021
36
36
8
Jun 2021
30
30
4
Jul 2021
17
16
7
Aug 2021
17
14
3
Sep 2021
30
29
7
Oct 2021
14
12
17
Nov 2021
8
7
12
Dec 2021
33
36
7
Jan 2022
28
30
5
Feb 2022
72
75
2
Mar 2022
72
71
4
Apr 2022
73
74
3
May 2022
64
66
9
Jun 2022
97
97
7
Jul 2022
73
73
1
Aug 2022
89
88
4
Sep 2022
62
62
6
Oct 2022
69
64
2
Nov 2022
58
57
5
Dec 2022
65
65
2
Jan 2023
76
76
2
Feb 2023
72
72
27
Mar 2023
63
65
40
Apr 2023
61
61
5
May 2023
57
52
5
Jun 2023
90
62
3
Jul 2023
68
66
5
Aug 2023
77
72
3
Sep 2023
18
12
3
Oct 2023
10
8
4
Nov 2023
13
10
3
Dec 2023
41
1
2
Jan 2024
28
0
0
Feb 2024
24
0
2
Mar 2024
102
1
3
Total
5004
6876
1261
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