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Volume 21, Issue 1
Factors that influence the expected length of operation: results of a prospective study
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Factors that influence the expected length of operation: results of a prospective study
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Oct 2011
176
5
29
Nov 2011
114
6
20
Dec 2011
430
97
98
Jan 2012
600
176
108
Feb 2012
198
26
49
Mar 2012
166
31
39
Apr 2012
472
87
96
May 2012
435
93
79
Jun 2012
385
128
86
Jul 2012
485
145
100
Aug 2012
378
150
102
Sep 2012
412
157
82
Oct 2012
479
181
99
Nov 2012
433
234
74
Dec 2012
311
146
61
Jan 2013
392
148
59
Feb 2013
353
146
65
Mar 2013
448
131
76
Apr 2013
442
152
71
May 2013
396
127
80
Jun 2013
283
97
45
Jul 2013
295
94
49
Aug 2013
363
116
43
Sep 2013
237
59
43
Oct 2013
198
88
34
Nov 2013
159
85
25
Dec 2013
142
83
40
Jan 2014
146
78
31
Feb 2014
147
72
23
Mar 2014
185
82
156
Apr 2014
179
75
33
May 2014
169
72
33
Jun 2014
127
60
21
Jul 2014
114
59
23
Aug 2014
144
44
21
Sep 2014
126
30
17
Oct 2014
138
39
22
Nov 2014
110
41
25
Dec 2014
126
76
34
Jan 2015
117
35
26
Feb 2015
21
12
8
Mar 2015
41
5
13
Apr 2015
32
4
7
May 2015
32
9
6
Jun 2015
19
2
7
Jul 2015
35
10
11
Aug 2015
18
2
6
Sep 2015
41
12
20
Oct 2015
33
23
11
Nov 2015
34
8
8
Dec 2015
41
11
9
Jan 2016
37
12
8
Feb 2016
18
7
2
Mar 2016
13
8
11
Apr 2016
45
7
16
May 2016
21
13
17
Jun 2016
41
9
8
Jul 2016
35
9
11
Aug 2016
49
19
7
Sep 2016
39
12
9
Oct 2016
35
11
10
Nov 2016
39
11
6
Dec 2016
25
16
6
Jan 2017
47
28
4
Feb 2017
9
80
4
Mar 2017
18
32
13
Apr 2017
10
59
7
May 2017
6
43
4
Jun 2017
24
27
4
Jul 2017
40
17
3
Aug 2017
42
15
5
Sep 2017
55
29
5
Oct 2017
36
20
6
Nov 2017
69
20
8
Dec 2017
40
14
6
Jan 2018
38
23
3
Feb 2018
60
30
3
Mar 2018
63
55
5
Apr 2018
59
49
7
May 2018
69
53
6
Jun 2018
74
56
4
Jul 2018
49
31
4
Aug 2018
25
21
3
Sep 2018
26
12
3
Oct 2018
41
27
7
Nov 2018
59
37
9
Dec 2018
50
40
13
Jan 2019
37
26
11
Feb 2019
39
35
18
Mar 2019
52
35
24
Apr 2019
21
18
36
May 2019
33
31
8
Jun 2019
16
14
7
Jul 2019
34
31
16
Aug 2019
29
28
11
Sep 2019
42
38
6
Oct 2019
38
26
12
Nov 2019
35
31
16
Dec 2019
37
33
21
Jan 2020
32
28
2
Feb 2020
23
22
20
Mar 2020
31
23
9
Apr 2020
48
38
10
May 2020
48
42
20
Jun 2020
25
21
9
Jul 2020
27
23
13
Aug 2020
14
9
8
Sep 2020
37
31
4
Oct 2020
54
31
12
Nov 2020
27
25
10
Dec 2020
27
20
10
Jan 2021
41
34
13
Feb 2021
48
35
19
Mar 2021
110
67
14
Apr 2021
80
77
18
May 2021
43
37
9
Jun 2021
31
32
10
Jul 2021
29
25
20
Aug 2021
36
32
10
Sep 2021
50
50
9
Oct 2021
52
46
24
Nov 2021
38
27
22
Dec 2021
60
40
16
Jan 2022
52
30
15
Feb 2022
195
171
16
Mar 2022
76
46
21
Apr 2022
51
51
13
May 2022
65
46
15
Jun 2022
61
42
11
Jul 2022
60
31
9
Aug 2022
67
41
12
Sep 2022
61
42
16
Oct 2022
69
40
15
Nov 2022
48
27
17
Dec 2022
43
27
8
Jan 2023
42
33
12
Feb 2023
64
51
9
Mar 2023
60
46
6
Apr 2023
87
44
20
May 2023
40
28
7
Jun 2023
52
37
4
Jul 2023
48
30
11
Aug 2023
39
27
11
Sep 2023
69
32
11
Oct 2023
103
70
15
Nov 2023
80
63
11
Dec 2023
87
56
23
Jan 2024
70
60
16
Feb 2024
35
29
11
Mar 2024
57
38
113
Apr 2024
83
53
22
May 2024
71
33
16
Jun 2024
45
30
8
Jul 2024
53
40
11
Aug 2024
49
29
14
Total
16269
7385
3586
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