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In this study, we aimed to assess the cancer risk among patients with periodontal disease. Materials and methods: Patients diagnosed with periodontal diseases at Hacettepe University between 2007 and 2012 were included and data on the diagnosis of any cancer after periodontal disease were collected from patient files. The age-and sex-standardized incidence rates (SIRs) were calculated using Turkish National Cancer Registry 2013 data. Results: A total of 5199 patients were included. Median follow-up was 7.2 years. Patients with periodontal diseases had 17% increased risk of cancer compared with the expected counts for the corresponding age and sex groups (SIR: 1.17; 95% CI: 1.04-1.3, P = 0.006). The increased cancer risk was statistically significant in women (SIR: 1.24; 95% CI: 1.05-1.45, P = 0.008) but not in men. Among women with periodontal disease, the risks of breast cancer (SIR: 2.19) and head and neck cancer (SIR: 4.71) were significantly increased. Among men, the risks of prostate cancer (SIR: 1.84), head and neck cancer (SIR: 3.55), and hematological cancers (SIR: 1.76) were significantly increased. Conclusion: This study showed that periodontal diseases were associated with increased risk of several cancers. Besides other wellknown benefits for health, the provision of oral/dental health should be considered and employed as a cancer prevention measure.

Background: The coronavirus disease 2019 (COVID-19) pandemic continues to wreak havoc on lives and ravage the world. Several vaccines have been approved for use against COVID-19; however, there may be hesitancy and negative perceptions towards vaccination, which may reduce the willingness to be vaccinated. Further, studies assessing the current perception toward COVID-19 vaccination are scarce. This study aimed to assess community knowledge, attitudes, and perceptions regarding COVID-19 vaccines among the general population of Turkey. Methods: A cross-sectional survey was carried out among 1009 adult participants from the 13–20 April 2021. Demographic data were collected, and attitudes and perceptions toward COVID-19 vaccines were evaluated. A multivariable regression analysis was performed to identify the factors predicting perception towards COVID-19 vaccinations. Results: Just over half of participants were male (52.6%) and the majority of respondents were aged between 30 and 39 years (33.8%). Our study revealed that 62.7% of participants had positive perceptions of COVID-19 vaccines. Logistic regression analysis results showed that older people (≥30 vs. <30) were less likely to have a positive perception towards COVID-19 vaccines (OR = 0.70, 95% CI = 0.51–0.94). We also found participants who had a previous history of influenza vaccines (OR = 2.01, 95% CI = 1.43–2.84), bachelor’s degrees or above (OR = 1.47, 95% CI = 1.12–1.91), and a personal history of COVID-19 (OR = 1.58, 95% CI = 1.10–2.26) were more likely to have a positive perception regarding COVID-19 vaccines. Conclusion: The proportion of the general population in Turkey who believe in COVID-19 vaccine effectiveness is not inferior to that of other countries. However, the low positive perception even among the population applying for vaccination indicates that understanding the perception of the general population and its influencing factors may contribute to developing a strategy for improving vaccination rates by addressing these factors.

Objective: To assess the real-life efficacy, retention rate and safety data of tofacitinib in rheumatoid arthritis (RA) patients. Method: We analyzed all patients registered in the HURBİO database who received at least 1 dose of tofacitinib. Patients who received at least one dose included in retention analysis, with at least 1 control visit, were included in efficacy and safety analysis. Factors predicting good response at last follow-up visit were analyzed by the logistic regression analysis. Drug retention rates were calculated using the Kaplan-Meier method and predictors of drug retention was determined by Cox proportional hazard model. Adverse events, reasons of switching and discontinuation were also determined. Results: 247 (210, 85.0% female) patients included in the study. Median duration of tofacitinib treatment was 10.2 (20.2) (med, (IQR)) months. 204 (82.6%) patients included in safety and efficacy analysis. 45.6% of patients was in low-disease activity (LDA) state (DAS28-CRP≤3.2). Predictors of LDA were being biologic-navie (aOR 2.53 (1.31-4.88); 95% CI) and RF negativity (aOR 2.14 (1.12-4.07); 95% CI). At 1 year, overall tofacitinib retention rate was 63.9% with no relevant predicting factor. Response and retention rates of tofacitinib were similar in patients with and without concomitant csDMARDs. Treatment failure was the most common cause of discontinuation. The most common infectious and laboratory adverse events were herpes zoster infection (3.9 per 100 patient-years) and elevation in ALT (x3UNL: 9.7 per 100 patient-years), respectively. Conclusion: In conclusion, tofacitinib is an effective-as monotherapy or combination with csDMARDs-and well-tolerated treatment option in Turkish RA patients.

In this study, we aimed to assess the cancer risk among patients with periodontal disease. Materials and methods: Patients diagnosed with periodontal diseases at Hacettepe University between 2007 and 2012 were included and data on the diagnosis of any cancer after periodontal disease were collected from patient files. The age-and sex-standardized incidence rates (SIRs) were calculated using Turkish National Cancer Registry 2013 data. Results: A total of 5199 patients were included. Median follow-up was 7.2 years. Patients with periodontal diseases had 17% increased risk of cancer compared with the expected counts for the corresponding age and sex groups (SIR: 1.17; 95% CI: 1.04-1.3, P = 0.006). The increased cancer risk was statistically significant in women (SIR: 1.24; 95% CI: 1.05-1.45, P = 0.008) but not in men. Among women with periodontal disease, the risks of breast cancer (SIR: 2.19) and head and neck cancer (SIR: 4.71) were significantly increased. Among men, the risks of prostate cancer (SIR: 1.84), head and neck cancer (SIR: 3.55), and hematological cancers (SIR: 1.76) were significantly increased. Conclusion: This study showed that periodontal diseases were associated with increased risk of several cancers. Besides other wellknown benefits for health, the provision of oral/dental health should be considered and employed as a cancer prevention measure.