Association of childhood infections and perinatal factors with ankylosing spondylitis: a Swedish nationwide case–control and sibling study
Objectives To identify perinatal and early-life risk factors for ankylosing spondylitis (AS), controlling for family-shared confounding with a sibling comparison design.Methods In this nationwide, register-based case–control study, we identified 5612 AS cases from the Swedish National Patient Regist...
| Published in: | RMD Open |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2023-07-01
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| Online Access: | https://rmdopen.bmj.com/content/9/3/e003438.full |