Objectives RA-associated interstitial lung disease (RA-ILD) is commonly associated with acute exacerbations (ILD-AE). This study examined the clinical characteristics and risk factors of ILD-AE and mortality of RA-ILD. Methods We retrospectively collected data on 165 RA-ILD patients who visited or were admitted to our hospital between January 2007 and December 2019. We compared the clinical characteristics of patients who did and did not develop ILD-AE and identified variables significantly associated with ILD-AE. We also compared the admission characteristics of those who survived and those who died after admission for ILD-AE. ILD-AE was defined using previously proposed criteria, modified slightly for application to RA-ILD. Results The mean patient age was 73.6 years (s.d. 9.7) and 97 (71.9%) patients were female. Thirty (22.2%) patients developed ILD-AE, 13 (43.3%) of whom died. In univariate analyses, neither the usual interstitial pneumonia (UIP) pattern nor MTX was associated with ILD-AE. In multivariate analyses, the UIP pattern was significantly associated with ILD-AE [odds ratio (OR) 2.55 (95% CI 1.05, 6.20), P = 0.038]. In the Cox proportional hazards model, the UIP pattern [hazard ratio (HR) 4.67 (95% CI 1.02, 21.45), P = 0.048] was significantly associated with death, while MTX use [HR 0.16 (95% CI 0.04, 0.72), P = 0.016] was significantly associated with survival. Conclusion Our data suggest that the UIP pattern is related to ILD-AE. Furthermore, both the UIP pattern and non-use of MTX might be related to death from ILD-AE in RA-ILD.
Background Fertility treatments help many infertile couples to have children. However, disparities exist in access to fertility tests and treatments. We investigated the association between household income and medical help-seeking for fertility in Japan. Methods We conducted a cross-sectional study using nationally representative data from the National Fertility Survey 2015. Respondents were 6598 married women younger than 50 years old. The primary outcome was medical help-seeking for fertility among those who experienced fertility problems. Multiple logistic regression models were used to assess the association between household income and medical help-seeking, adjusting for age, length of marriage, educational level, employment status, number of children, childbearing desires, living with parents, and region of residence. Results Among 2253 (34%) women who experienced fertility problems, 1154 (51%) sought medical help. The proportion of help-seekers increased linearly from 43% in the low-income group (< 4 million Japanese yen [JPY]) to 59% in the high-income group (≥ 8 million JPY) (P for trend < 0.001). Respondents with upper-middle (6–8 million JPY) or high household income were more likely to seek medical help, compared to those with low household income: adjusted odds ratio [aOR] 1.37 (95% confidence interval [CI]: 1.00–1.86) and aOR 1.78 (95% CI: 1.29–2.47), respectively. Conclusions We found that higher household income was associated with a higher probability of seeking medical help among Japanese women who experienced fertility problem. Along with policy discussion about additional financial support, further studies from societal, cultural, or psychological views are required.
BACKGROUND: Hospitalization for ambulatory care sensitive conditions (ACSCs) is an indicator of the quality of primary care in different health systems. In Japan, where patients can choose any healthcare facility with universal health coverage (UHC), data on these admissions are unknown. OBJECTIVE: To describe the current situation of ACSC admissions in a city of Japan. DESIGN: Retrospective observational study using claims data. PARTICIPANTS: Beneficiaries aged 0-74 years of the National Health Insurance (NHI) program in a large city in the Greater Tokyo Area. We extracted ACSC admissions from all inpatient claims between April 2013 and March 2017. MAIN MEASURES: We calculated age-and sex-specific annual ACSC admission rates for three categories: acute, chronic, and vaccine-preventable. We estimated the ageadjusted admission rates by ACSC category according to administrative districts and rate ratios using Poisson regression models. We also estimated medical expenditures and lengths of stay for ACSC admissions. KEY RESULTS: Of 91,350 hospitalization episodes, we identified 7666 (8.4%) that were ACSC admissions. Males had higher annual ACSC admission rates than females (p < 0.001), especially for chronic ACSCs. Admission rates were lowest in those aged 15-39 years and higher in the youngest (0-4 years) and oldest (70-74 years) age groups. Age-adjusted chronic ACSC admission rates were lower in a newly developed area (rate ratio [RR]: 0.79, 95% confidence interval [CI]: 0.71-0.87) and higher in a residential area (RR: 1.14, 95% CI: 1.04-1.24) than in the center of the city. Total medical expenditures for all ACSC admissions accounted for 5.8% of the total inpatient expenditures of NHI in the city. CONCLUSIONS: ACSC admission rates in Japan were higher for males than for females and showed a Ushaped trend in terms of age, as in other countries with UHC, and deferred by region. This study provided possible factors to reduce ACSC admissions.
Background and Aim Screening for tuberculosis before treating with biologic agents is recommended in patients with immune‐mediated inflammatory diseases (IMIDs). We conducted this study to identify adherence to the recommended practice in a real‐world setting in Japan. Methods We used a community‐based insurance claims database in a city in the Greater Tokyo Area in Japan. Between July 2012 and January 2019, we enrolled patients with IMIDs in the age range 15 to 74 years who had initiated biologic therapy. Tuberculosis screening was defined as (a) interferon‐γ release assay and/or a tuberculin skin test (IGRA/TST) and (b) IGRA/TST and X‐ray and/or CT scan (X‐ray/CT) within 2 months before starting biologic agents. We analyzed the proportions of patients who underwent tuberculosis screening and their association with the patient‐ and treatment‐related factors and treatment for latent tuberculosis infection (LTBI). Results Of 421 patients presumed to have initiated biologic therapy, 202 (48%) underwent IGRA/TST and 169 (40%) underwent IGRA/TST and X‐ray/CT. Patients aged 65 to 74 years were more likely to undergo tuberculosis screening than those aged 45 to 64 years. Compared to infliximab, IGRA/TST was less frequently performed in patients treated with etanercept, adalimumab, golimumab, abatacept, and tocilizumab. Treatment for LTBI was provided to 67 (16%) patients. Proportions of patients receiving LTBI treatment did not significantly differ according to the screening status. Conclusion There was low adherence to the recommendations for tuberculosis screening and prophylactic treatment before biologic therapy. It is necessary to continue alerting clinical practitioners to the importance of screening for tuberculosis and treatment for LTBI.
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