Personal profile
Research Interests
Comparing studies of twins and singletons, health and fertility.
PhD Project:
- Twins and singletons in Denmark in the 20th century: Fertility and morbidity.
Fingerprint
- 1 Similar Researchers
Collaborations and top research areas from the last five years
Research output
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Pneumocystis Pneumonia - Is it Still a Threat Among People With Human Immunodeficiency Virus (HIV)? A Danish HIV Cohort Study
Møller, A. K., Schnoor, S. B., Petersen, I., Martin-Iguacel, R., Kronborg, G., Larsen, C. S., Dalager-Pedersen, M., Gerstoft, J., Omland, L. H. & Rasmussen, L. D., 1. Jun 2025, In: Open Forum Infectious Diseases. 12, 6, 10 p., ofaf289.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile16 Downloads (Pure) -
Risk of serious bacterial infections in inflammatory rheumatic or bowel disease patients during biological therapies: nationwide Danish cohort study
Platz, E. C. H., Laugesen, G. E., Østergaard, A. A., Byg, K. E., Petersen, I. & Johansen, I. S., 2025, In: Annals of Medicine. 57, 1, 12 p., 2522968.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile54 Downloads (Pure) -
Risk of tuberculosis disease among patients with inflammatory bowel disease and inflammatory rheumatic disease treated with biologics in Denmark: a nationwide cohort study
Kraef, C., Østergaard, A. A., Lillebaek, T., Ravn, P., Fløe, A., Larsen, L., Colic, A., Petersen, I. & Johansen, I. S., Oct 2025, In: Clinical Microbiology and Infection. 31, 10, p. 1697-1703Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of Spironolactone on Kidney Function in Kidney Transplant Recipients (the SPIREN trial): A Randomized Placebo-Controlled Clinical Trial
Mortensen, L. A., Jespersen, B., Helligsoe, A. S. L., Tougaard, B., Cibulskyte-Ninkovic, D., Egfjord, M., Boesby, L., Marcussen, N., Madsen, K., Jensen, B. L., Petersen, I., Bistrup, C. & Thiesson, H. C., 1. Jun 2024, In: Clinical Journal of the American Society of Nephrology. 19, 6, p. 755-766Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile109 Downloads (Pure) -
Prevalence estimates of tuberculosis infection in adults in Denmark: a retrospective nationwide register-based cross-sectional study, 2010 to 2018
Østergaard, A. A., Lillebaek, T., Petersen, I., Fløe, A., Worren Bøkan, E. H., Hilberg, O., Holden, I. K., Larsen, L., Colic, A., Wejse, C., Ravn, P., Nørgård, B. M., Bjerrum, S. & Johansen, I. S., 21. Mar 2024, In: Eurosurveillance. 29, 12, 8 p., 2300590.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile38 Downloads (Pure)
Activities
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Twin Congress 2017
Juel Ahrenfeldt, L. (Participant), Wod, M. (Participant), Hjelmborg, J. V. B. (Participant), Løkkegaard, L. E. (Participant), Tan, Q. (Participant), Petersen, I. (Participant) & Mengel-Jørgensen, J. (Participant)
16. Nov 2017 → 18. Nov 2017Activity: Attending an event › Conference organisation or participation
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15th Congress of the International Society for Twin Studies
Petersen, I. (Participant)
16. Nov 2014 → 19. Nov 2014Activity: Attending an event › Conference organisation or participation
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Longitudinal study of hand grip strength in twins
Petersen, I. (Lecturer)
9. Nov 2014Activity: Talks and presentations › Talks and presentations in private or public companies
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Gerontological Society of America (GSA), 67th Annual Scientific Meeting
Petersen, I. (Participant)
5. Nov 2014 → 9. Nov 2014Activity: Attending an event › Conference organisation or participation
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Contribution of GxE at baseline and change of hand grip strength
Petersen, I. (Lecturer)
21. Jun 2014Activity: Talks and presentations › Talks and presentations in private or public companies
Press/Media
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Færre tvillinger bliver gift, men de, der gør, bliver sammen
09/01/2011
1 Media contribution
Press/Media: Press / Media