Department of Surgical Sciences

Postal address
Uppsala University Hospital, entrence 70, 1 floor
SE-751 85 Uppsala

Visiting address
Uppsala University Hospital, entrence 70, 1 floor

Invoice address
Uppsala University
SE-737 84 Fagersta

Reference number 463000


Head of Department
Per Hellman
+46 18 61 146 17

Financial Administration

Katarina Lindroth
+46 18 617 01 20

Anna Wänn
+46 18 61 148 55

Siv Andersson
+46 18 61 126 16

Course Administration
Isabel Eriksson Vestin
+46 18 61 131 02

Elisebeth Berge
+46 61 148 61

Annika Häger
+46 18 61 148 15

Åsa Eriksson
+46 18 61 153 65

Human Resource Administration
Karin Johansson
+46 18 61 131 03

Higran Saghir
+46 18 61 149 27

Organization Number

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Seminarier vid Institutionen för kirurgiska vetenskaper

Här hittar du information om institutionens seminarier.

Epidemiologiseminarier - epidemiology seminars

The seminars are open to PhD students and post doc researchers working in the field of medical epidemiology at Uppsala University. In a friendly atmosphere we discuss around different methodological topics. The seminars are in general held at Epihubben, Dag Hammarskjölds väg 14B. Unless otherwise stated, it is not required to give notice of attendance. 

Information on the seminars will be posted here and via a mailing list. To subscribe to the mailing list, go to Feel free to recommend the list and the website to others you think might be interested in participating. You can manage your lists and unsubscribe at If you have further questions, please contact Liisa Byberg. 

This year, the epidemiology seminars can be taken as a PhD student course (info here). Attendance to 10 seminars will merit 1 hp. An attendance list will be circulated at each seminar.

Contact Liisa Byberg or Adam Mitchell if you have suggestions for topics to discuss during the seminars!

Preliminary dates for the first half of 2020:


Refresher: Introduction to Causal Diagrams (Directed Acyclic Graphs). We thought as we are starting a new year it may be a good idea to open with causal diagrams as they will feature heavily in our discussions over the coming year and it will be great if we all have a good idea of what they are and how we use them in our research. This is an often referred to paper by Greenland, Pearl and Robins that might be useful to look over before the seminar:










Previous seminars

2019-12-11 kl. 13.00-14.00

Anna Aronsson: Can we improve the measurement of comorbidity through number of days in healthcare, recency and other measures?

During this seminar we will discuss the use of measurements of comorbidity. The most commonly used are those by Charlson et al (A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation, J Chron Dis 1987;40(5):373-383: and Elixhauser et al (Comorbidity Measures for Use with Administrative Data, Medical Care, 1998;36(1):8-27: If you want to prepare for the seminar, you can read through those papers in advance. (since the original Charlson paper is difficult to access, you might want to have a look at this paper by Quan et al that describes both the Charlson and the Elixhauser methods:

2019-11-27 kl. 13.00-14.00

We will discuss the paper “Reading Mendelian Randomization studies: a guide, glossary, and checklist for clinicians” ( and the concept and role of Mendelian Randomization studies more generally. We will have an open discussion and hopefully there are a number of you who have either experience of conducting such analyses or have ambitions to undertake them.

2019-11-13 kl. 13.00-14.00

Andri Wilberg Orrason: Excercise in causal diagrams. The discussion will be based on the paper "Cigarette smoking and the incidence of Parkinson's disease in two prospective studies" by Hernán et al: 

Exercises based on the paper will be circulated before the seminar.

2019-10-23 kl. 13.00-14.00 (extra seminar)

Sebastiaan Boone, University of Leiden: An overview of clinical epidemiology in Leiden

2019-10-16 kl. 13.00-14.00

At this seminar, we will discuss the topic of competing risks and will base our discussion on this paper:

It could also be useful for us to consider examples of competing risks in our own research and whether this may be a problem. Welcome!

2019-10-10 kl. 15.30-17.00 (extra! Lecture room Gösta Hultqvist, C11, Rudbecklaboratoriet)

Karl Stattin: Proteomics in epidemiological research - results and practical issues from an analysis of two independent cohorts.

The paper can be found here:

This seminar will have two parts - first a presentation of the topic and results followed by a coffee break and then we will continue with more practical issues for those interested in the details. Registration for this seminar is required - send an email to no later than Monday 7 October (so we know there's coffee for everyone). 

2019-10-02 kl. 13.00-14.00

Mediation analysis. This paper ( highlights the potential issues when using traditional methods for mediation analysis. We will discuss this paper and the topic in general and it would be great to hear your own ideas/ambitions for conducting mediation analysis.

2019-09-18 kl. 13.00-14.00

We will discuss methods for selecting variables to your models. A descriptive review is available as a basis for our discussion (Talbot & Massamba Eur J Epidemiol 2019;34(8):725-30; What methods have you used for variable selection?

2019-09-04 kl. 13.00-14.00

We will kick-start our Epidemiology seminars (hosted by Adam Mitchell) with a discussion focused on:

The table 2 fallacy: presenting and interpreting confounder and modifier coefficients. The paper is available at: 

2019-03-06 kl. 13.00-14.00

Startup seminar for 2019. We will discuss topics for the coming year and have a look at the STROBE guidelines: Welcome!

2019-03-20 kl. 13.00-14.00

Note: This seminar will be held in room Gösta Hultqvist, Rudbecklaboratoriet C11, Dag Hammarskjölds väg 20, Uppsala

Olof Östergren, Stockholm University: Socioeconomic position in epidemiological research
Olof Östergren is a postdoc researcher at the Department of Public Health Sciences at Stockholm University. His research concerns social inequality in health with a specific focus on the educational gradient in mortality and he has a long experience of register-based research. Do bring examples related to the topic from your own research – how do you measure and take socioeconomic position into account?

2019-04-03 kl. 13.00-14.00 

Systematic reviews & meta-analysis, part 1: Systematic reviews.
The PRISMA statement ( is a useful tool and source of information when conducting systematic reviews and meta-analyses. In this seminar we discuss the differences between systematic and traditional reviews. Are systematic reviews more trustworthy? We will use this paper for discussion:

2019-05-15 kl. 13.00-14.00

Systematic reviews & meta-analysis, part 2: Meta-analysis.
We will discuss different aspects of Meta-analyses. To do so, please read and bring an example from your own field of resaerch. It can be a paper you consider to be good, one that you think have methodological issues, one you have questions regarding, or one you've performed yourself. Susanna Larsson who is experienced in meta-analysis will join us for the discussion at this seminar.

2019-05-29 kl. 13.00-14.00

Hanna Henriksson: ”Seasonal aspects of peripartum depressive symptoms”
Hanna Henriksson is a PhD student at the Department of Women's and Children's Health, UU, and will present epidemiological and methodological aspects of her soon to be defended thesis. Send and email to if you want to participate in this seminar since we will distribute reading material.

2018-10-03 kl. 13.15-14.15

The C-word. Can we say anything about causality based on observational studies? We discuss the Miguel Hernán paper "The C-Word: Scientific Euphemisms Do Not Improve Causal Inference From Observational Data". (

2018-10-10 kl. 13-14

Shafqat Ahmad: "Gene x Lifestyle interactions with focus on Obesity, Cardiometabolic Traits and Lipoprotein Subfractions"

Shafqat is a collaborator in Tove Fall's research group with a PhD from Lund University and a recent post doc at Harvard. Shafqat will start with a presenation and there will be time for questions and discussions. He has written several papers on the topic and a good preparation before the seminar would be to read Ahmad et al. Adiposity and Genetic Factors in Relation to Triglycerides and Triglyceride-Rich Lipoproteins in the Women's Genome Health Study. Clin Chem, 2018 ( 

2018-10-17 kl. 13.15-14.15

How to review a research paper. Peer-review is used in medical research for publication of research papers, grant applications and evaluation of PhD students. In this seminar, we discuss how to think when we critically approach a research paper and use this one as an example: Before the seminar, it would be good if you thought of 1) something in the paper that you think is good, 2) something you feel could be improved, and 3) one question that you would like to ask the authors. You can find several guidelines and articles on how to review a paper online, this is one suggestion (open the topic "Writing a review for the BMJ"):

2018-10-31 kl. 13.15-14.15

With reference to John Ioannidis' visit to Uppsala (read more here), we read and discuss around his famous paper "Why most published research findings are false" ( Think about a couple of things where you agree and a couple of things where you disagree with the published paper.

2018-11-14 kl. 13.15- 14.15

How to write a peer-review of a submitted manuscript. Bring examples from your own reviewed manuscripts - select one example that you thought was good and helped you improve the paper and one that you thought was bad or not so helpful.

2018-11-28 kl. 13.15-14.15

We continue the discussion on the review process from the reviewer’s point of view. How do you become a reviewer? When should you accept to review? How do you write a review? You can find some information here that we can discuss:

2018-05-23 kl. 13-14

Liisa Byberg: “Milk drinking and risk of hip fracture: Findings from Sweden” 

After the short presentation we will discuss around aspects of systematic reviews and meta analyses, based on this article by Susanna Larsson et al: