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Key clinical point: Patients with rheumatoid arthritis (RA) were at an increased risk for lung cancer compared with the general population, with seropositivity being a strong and independent risk factor above what can be explained by smoking.
Major finding: Patients with RA vs. general population were at increased risk for lung cancer (adjusted hazard ratio [aHR] 1.70; 95% CI 1.54-1.87), with the risk being even higher among ever smokers (aHR 1.82; 95% CI 1.06-3.17) or current smokers (aHR 2.73; 95% CI 1.21-6.16) and double seropositivity being a strong and independent risk factor (aHR 6.21; 95% CI 1.47-26.33).
Study details: This was a population-based matched cohort study including 44,101 patients with RA who were individually matched with 216,495 control individuals from the general population and prospectively followed for the occurrence of lung cancer.
Disclosures: This study was funded by the Swedish Research Council and other sources. K Chatzidionysiou declared receiving consulting fees from various sources. J Askling declared serving as principal investigator and having ties with various sources.
Source: Chatzidionysiou K et al. Risk of lung cancer in rheumatoid arthritis and in relation to autoantibody positivity and smoking. RMD Open. 2022;8(2):e002465 (Oct 21). Doi: 10.1136/rmdopen-2022-002465
Key clinical point: Patients with rheumatoid arthritis (RA) were at an increased risk for lung cancer compared with the general population, with seropositivity being a strong and independent risk factor above what can be explained by smoking.
Major finding: Patients with RA vs. general population were at increased risk for lung cancer (adjusted hazard ratio [aHR] 1.70; 95% CI 1.54-1.87), with the risk being even higher among ever smokers (aHR 1.82; 95% CI 1.06-3.17) or current smokers (aHR 2.73; 95% CI 1.21-6.16) and double seropositivity being a strong and independent risk factor (aHR 6.21; 95% CI 1.47-26.33).
Study details: This was a population-based matched cohort study including 44,101 patients with RA who were individually matched with 216,495 control individuals from the general population and prospectively followed for the occurrence of lung cancer.
Disclosures: This study was funded by the Swedish Research Council and other sources. K Chatzidionysiou declared receiving consulting fees from various sources. J Askling declared serving as principal investigator and having ties with various sources.
Source: Chatzidionysiou K et al. Risk of lung cancer in rheumatoid arthritis and in relation to autoantibody positivity and smoking. RMD Open. 2022;8(2):e002465 (Oct 21). Doi: 10.1136/rmdopen-2022-002465
Key clinical point: Patients with rheumatoid arthritis (RA) were at an increased risk for lung cancer compared with the general population, with seropositivity being a strong and independent risk factor above what can be explained by smoking.
Major finding: Patients with RA vs. general population were at increased risk for lung cancer (adjusted hazard ratio [aHR] 1.70; 95% CI 1.54-1.87), with the risk being even higher among ever smokers (aHR 1.82; 95% CI 1.06-3.17) or current smokers (aHR 2.73; 95% CI 1.21-6.16) and double seropositivity being a strong and independent risk factor (aHR 6.21; 95% CI 1.47-26.33).
Study details: This was a population-based matched cohort study including 44,101 patients with RA who were individually matched with 216,495 control individuals from the general population and prospectively followed for the occurrence of lung cancer.
Disclosures: This study was funded by the Swedish Research Council and other sources. K Chatzidionysiou declared receiving consulting fees from various sources. J Askling declared serving as principal investigator and having ties with various sources.
Source: Chatzidionysiou K et al. Risk of lung cancer in rheumatoid arthritis and in relation to autoantibody positivity and smoking. RMD Open. 2022;8(2):e002465 (Oct 21). Doi: 10.1136/rmdopen-2022-002465