value of commentaries in bjs editor assistant project olaf schouten
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Value of commentaries in BJS
Editor assistant projectOlaf Schouten
Introduction
Introduction
Methods
Commentaries 2010 – 2011, n=81
Articles with commentary 2010-2011, n=80
Citations 2010-2012
Percentage of commentariesRa
tio o
f com
men
tarie
s
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
Percentage of commentariesRa
tio o
f com
men
tarie
s
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
Number of commentaries
BJSAnnalsArchives
# co
mm
enta
ries
per i
ssue
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
Number of commentaries
BJSAnnalsArchives
# co
mm
enta
ries
per i
ssue
Commentaries, origin
UK 35Netherlands 9Norway 5France 4Germany 4Italy 4Switzerland 3Sweden 2Denmark 2Ireland 1Poland 1Greece 1
USA 7Australia 1Japan 1Canada 1
Articles with a commentary, origin
UK 24Netherlands 15France 7Switzerland 4Sweden 4Denmark 4
Articles with a commentary
Original articles
Randomized trials
Reviews/meta-analyses
Articles with a commentary
1
2
3
4
5
6
7
8
Upper GI/HPB 31Colorectal 19Vascular 7Breast 5Endocrine 3Trauma 2General 11Transplantation 3
Space used for commentaries
Mean 3.3 commentaries/issue2.3 in 2010, 4.3 in 2011
343 + 78 words per commentary
Mean 2.1 page/issue1.2 in 2010, 3.1 in 2011
Example, no extra page
Earnshaw
Example, 1 extra page
Pages per issue
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
1
2
3
4
5
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
Page
s pe
r iss
ue
Pages per issue
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
1
2
3
4
5
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
Page
s pe
r iss
ue
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
Number of pages
BJSAnnalsArchives
Page
s pe
r iss
ue
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
Number of pages
BJSAnnalsArchives
Page
s pe
r iss
ue
Citations, commentaries
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
1
2
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12
2010 2011
Num
ber o
f cita
tions
Citations up to May 2012, based on Web of Science
Citations, articles with commentary
2010Mean 6.9 + 6.5Median 4 (IQR 2-13)
2011Mean 2.2 + 2.6Median 1 (IQR 1-3)
Citations up to May 2012, based on Web of Science
Top 5 cited articles, 2010
4. Similar liver transplantation survival with selected cardiac death donors and brain death donorsDubbeld J.; Hoekstra H.; Farid W.; et al., Volume: 97 Issue: 5 Pages: 744-753 Times Cited: 19 4. Randomized clinical trial of single-incision laparoscopic cholecystectomy versus minilaparoscopic cholecystectomyLee P-C; Lo C.; Lai P-S; et al.Volume: 97 Issue: 7 Pages: 1007-1012 Times Cited: 19 4. Objective assessment of technical surgical skillsvan Hove P. D.; Tuijthof G. J. M.; Verdaasdonk E. G. G.; et al. Volume: 97 Issue: 7 Pages: 972-987 Times Cited: 19 13. Critical appraisal of single port access cholecystectomyAllemann P.; Schafer M.; Demartines N. Volume: 97 Issue: 10 Pages: 1476-1480 Times Cited: 17 22. Growth rates of small abdominal aortic aneurysms correlate with clinical eventsThompson A. R.; Cooper J. A.; Ashton H. A.; et al. Volume: 97 Issue: 1 Pages: 37-44 Times Cited: 15
Citations up to May 2012, based on Web of Science
Top 5 cited articles, 2011
2. Immunonutrition in gastrointestinal surgeryCerantola Y.; Huebner M.; Grass F.; et al. Volume: 98 Issue: 1 Pages: 37-48Times Cited: 11 5. Multicentre evaluation of intraoperative molecular analysis of sentinel lymph nodes in breast carcinomaAuthor(s): Snook K. L.; Layer G. T.; Jackson P. A.; et al. Volume: 98 Issue: 4 Pages: 527-535Times Cited: 9 6. Systematic review of percutaneous catheter drainage as primary treatment for necrotizing pancreatitisvan Baal M. C.; van Santvoort H. C.; Bollen T. L.; et al. Volume: 98 Issue: 1 Pages: 18-27Times Cited: 8 7. Systematic review and meta-analysis of survival following extracorporeal liver supportStutchfield B. M.; Simpson K.; Wigmore S. J. Volume: 98 Issue: 5 Pages: 623-631Times Cited: 7
7. Randomized clinical trial comparing endovenous laser ablation, radiofrequency ablation, foam sclerotherapy and surgical stripping for great saphenous varicose veinsRasmussen L. H.; Lawaetz M.; Bjoern L.; et al. Volume: 98 Issue: 8 Pages: 1079-1087Times Cited: 7
Citations up to May 2012, based on Web of Science
Conclusion
Number of commentaries increased over 2010-2011
Number of pages used per issue now on average 3-4
Commentaries are cited only sporadically
Commented papers are cited more frequently than other papers
Value of commentaries is difficult to quantify