Value of commentaries in BJS Editor assistant project Olaf Schouten.

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