Transplantation of Cardiac Mesenchymal Progenitor Cell Sheets for Myocardial Vascularization after an Infarction (Experimental Study) by Konstantin V. Dergilev, Zoya I. Tsokolaeva, Ivan A. Ryzhkov, Elena V. Parfenova

“…The number of vessels in the peri-infarction area under the transplant from the MPC was significantly higher than that in the reference group with signs of differentiation of cardiac MPCs transplanted into endothelial vascular cells.The increased vascularization was combined with an increase in the area of viable myocardial sites and a decrease in LV cavity dilation. …”
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Acute Intoxications Involving Synthetic Psychoactive Substances by Sergey A. Vasil'ev, Viktor V. Shilov, Pavel A. Barabanov, Valentin G. Sentsov, Boris B. Yatsinyuk

“…The main group (112 patients, median age 38.2±12.0 years) included patients who, in addition to the basic treatment, received cytoflavin by intravenous drop infusion, 20–40 ml diluted in 400–500 ml of 10% glucose, for 5 days. Patients of the reference group (510 subjects, median age 37.6±14.1 years) received treatment according to the «classical scheme». …”
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Safety of Switching from a Reference Biologic to Its Biosimilar: A Systematic Review and Meta-Analysis by Sarah Saad Aljahili, Samar Sami Alshuwairikh, Ahmed AlKhaldi, Abeer Althiban, Radwan Hafiz, Ghazwa B. Korayem, Hadeel Alkofide

“…Of these, 12 trials involving 1326 participants in the reference–reference group and 1176 participants in the reference–biosimilar group met the inclusion criteria. …”
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Combined association of systemic inflammatory response index and prognostic nutritional index with survival among US cancer survivors by Bingqing Luo, Xiaoyan Tan, Lin Chen, Kang Zhou, Shifeng Lou

“…Joint analysis showed that cancer survivors with concurrent high-SIRI and undernutrition had the highest risk for all-cause (HR 3.169, 95%CI 2.324–4.321), cancer-specific (HR 2.578, 95%CI 1.308–5.080) and non-cancer (HR 2.197, 95%CI 1.480–3.261) mortality, respectively, relative to the reference group with concurrent low-SIRI and PNI > 48. …”
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IS IT POSSIBLE TO IMPROVE THE ADHERENCE TO TREATMENT OF HYPERTENSION AND DYSLIPIDEMIA IN PATIENTS WITHOUT CLINICAL MANIFESTATIONS OF ATHEROSCLEROSIS? by A. А. Sarycheva, D. V. Nebieridze, T. V. Kamyshova

“…No such demonstration was done in the reference group.  The duration of study was 12 months. …”
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Predictive value and robustness of the stress hyperglycemia ratio combined with hypertension for stroke risk: evidence from the CHARLS cohort by Yaxuan He, Yu Cao, Rong Xiang, Fang Wang

“…Results During 81,601 person-years of follow-up, 764 incident stroke cases were documented, with an overall incidence of 9.36 per 1000 person-years. Compared to the reference group (low SHR without hypertension), those with high SHR and hypertension had the highest stroke risk (hazard ratio: 2.94, 95% confidence interval: 2.38–3.64). …”
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Relationship between metabolic syndrome and overactive bladder: insights from the NHANES and Mendelian randomization study by Zhihao Liu, Xiaotong Sun, Chunlei Liu, Che Wang, Rujie Zheng, Xiaoyu Du, Wenjuan Song, Chengzhi Lu

“…Gender subgroup analysis revealed that females had 51% higher odds of developing OAB compared to the reference group (OR: 1.51, 95% CI: 1.13–2.02, p = 0.008), while this association was not observed in males (OR: 0.95, 95% CI: 0.63–1.43, p > 0.05). …”
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The impact of changes in medical school admission procedures on study success: A comparative analysis at Hannover Medical School by Tsikas, Stefanos A., Fischer, Volkhard

“…The quota of high school top performers (AQ) serves as the reference group. Using ANOVA and comparative statistics, we investigate changes within and between quotas. …”
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Association of Gestational Weight Trajectories With Neonatal Outcomes Among Pregnant Slum‐Dwelling Women, India by Swapna Deshpande, Tarja I. Kinnunen, Rubina Mandlik, Anuradha Khadilkar, Suhas Otiv, Sangita Kulathinal

“…Four clusters were identified: Cluster 1 (n = 124, 97% normal and overweight women, GWG rate: 0.27 (95% CI, 0.24, 0.30) kg/week early‐late pregnancy) was the reference group. Women in Cluster 2 (n = 146, 93% underweight and normal weight women, GWG rate: 0.31 (95% CI, 0.28, 0.34) kg/week early‐late pregnancy) had a higher risk of having SGA and preterm newborns and women in Cluster 3 (n = 68, 100% overweight and obese women, GWG rate: 0.17, 95% CI, 0.12, 0.22 kg/week early‐late pregnancy) had a higher risk of having preterm newborns than Cluster 1. …”
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V(D)J Recombination Excision Circles of B- and T-cells as Prognostic Marker in B-Cell Chronic Lymphocytic Leukemia by IV Obraztsov, MA Gordukova, NA Severina, BV Biderman, SYu Smirnova, AB Sudarikov, EA Nikitin, AG Rumyantsev

“…KREC levels were signifi cantly (p < 0.001) lower in CLL patients vs. the reference group. TREC levels were lower in groups with unmutated status of immunoglobulin heavy chain variable region genes (p < 0.05) and 11q deletions (p < 0.1). …”
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3D anthropometry of the nasolabial region in children aged 3 to 9 months as reference database for clinical assessment by Manuel Olmos, Joy Backhaus, Manuel Weber, Ragai Matta, Christoph Vogl, Katja Schulz, Sandra Beyer, Linus Winter, Anne Schützenberger, Marco Kesting, Rainer Lutz

“…To our knowledge, this work establishes the first baseline and reference group for the nasolabial region in children aged 3 to 9 months without cleft lip or palate. …”
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Heterogeneity in BMI Percentile and Weight Status Among Asian American Youth by Darcy M. Van Deventer, BS, Margo A. Sidell, SCD, Catherine Lee, PhD, Deborah R. Young, PhD, Monique M. Hedderson, PhD, Deborah A. Cohen, MD, MPH, Emily F. Liu, MPH, Lee J. Barton, MS, Galina Inzhakova, MPH, Bing Han, PhD

“…Asian American subgroups included East, South, Southeast, and unidentified. Whites were the reference group. Study outcomes included age- and sex-specific BMI percentile and body weight status category (underweight, overweight or obesity, obesity). …”
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Telomere length of various blood and bone marrow cells in patients with aplastic anemia by A. V. Luchkin, E. A. Mikhailova, I. V. Galtseva, Z. T. Fidarova, A. V. Abramova, Yu. O. Davydova, N. M. Kapranov, K. A. Nikiforova, S. M. Kulikov, E. N. Parovichnikova

“…The group of patients with aplastic anemia was investigated (n = 45). blood donors (n = 32) and bone marrow donors (n = 10) of different ages were included in the reference group. adult patients with dyskeratosis congenita (n = 5) were included in the comparison group. …”
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Aging and liver health: liver chemistries and associated factors in community-dwelling older adults by Farah Safdar Husain, Siew Ling Tey, Dieu Thi Thu Huynh, Jeffery Oliver, Geraldine Baggs, Choon How How, Wai Leng Chow, Magdalin Cheong, Tar Choon Aw, Samuel Teong Huang Chew, Ngiap Chuan Tan

“…Methods This cross-sectional study included 400 older adults aged ≥ 65 years with normal nutritional status and who took part as a non-randomized reference group in the Strengthening Health In ELDerly through nutrition (SHIELD) study. …”
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Diet quality and its relationship with iodine status in pregnant women living in a Brazilian region where table salt is iodine-fortified according to public health policies by Annie Schtscherbyna, Débora Ayres Saraiva, Nathalie Silva de Morais, Carolina Martins Corcino, Tatiana Martins Benvenuto Louro Berbara, Mario Vaisman, Paula Martins Horta, Patrícia de Fátima dos Santos Teixeira

“…The association between DQ and the IS was evaluated, considering an adequate UIC (150-249 μg/L) as the reference group (RG). Results: The median total score for the HEI-2015 was 45.8 points, which was slightly better (48.1 points) in the insufficient UIC (UIC <150-249 μg/L) than in the RG (41.3 points). …”
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ROLE OF SERUM EOSINOPHILIC CATIONIC PROTEIN AND TRYPTASE IN MYELOPROLIFERATIVE AND LYMPHOPROLIFERATIVE DISORDERS by L. S. Komarova, N. B. Mikhaylova, I. I. Nesterovich, Ye. Ye. Zueva, B. V. Afanasyev, Areg A. Totolian

“…Eighteen patients with bronchial asthma (BA), and eight cases of solid tumors comprised a reference group for polyclonal eosinophilia. The levels of ECP and tryptase were measured in blood serum using a commercial fluoroimmunoenzyme assay («Pharmacia», Uppsala, Sweden). …”
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Smoking Cessation Strategies for Different Types of Cigarette Users Using a Digital Peer–Supported App and Nicotine Aids: Prospective Study by Shota Yoshihara, Kayoko Takahashi, Chiaki Uemura, Shin Murakami, Daichi Harada, Ying Jiang, Hiroshi Yamato

“…Logistic regression analysis was conducted to compare cessation success rates, with cigarette-only smokers being the reference group (odds ratios [ORs] and 95% CIs). …”
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Dynapenic abdominal obesity and the risks of heart disease and all-cause mortality: a 7-year longitudinal study among middle-aged and older Chinese adults by Lichao Lin, Yan Xue, Daoxin Huang, Yixiao Su, Huizhen Yu, Pengli Zhu

“…The DAO group (HR = 1.84, 95% CI: 1.45–2.33) and D/NAO group (HR = 1.58, 95% CI: 1.35–1.86) had significantly higher all-cause mortality risk compared to the reference group. Subgroup analyses found no significant interactions by age or sex. …”
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Associations of four indexes of social determinants of health and two community typologies with new onset type 2 diabetes across a diverse geography in Pennsylvania. by Brian S Schwartz, Marynia Kolak, Jonathan S Pollak, Melissa N Poulsen, Karen Bandeen-Roche, Katherine A Moon, Joseph DeWalle, Karen R Siegel, Carla I Mercado, Giuseppina Imperatore, Annemarie G Hirsch

“…Compared to rural affordable-like as the reference group, residence in tracts categorized as extreme poverty (odds ratio [95% confidence interval] = 1.11 [1.02, 1.21]) or multilingual working (1.07 [1.03, 1.23]) were associated with higher odds of new onset T2D. …”
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Plasma Cardiac Troponin-I Concentration in Normal Horses and in Horses with Cardiac Abnormalities by Jonathan H. Foreman, Brett S. Tennent-Brown, Mark A. Oyama, D. David Sisson

“…A second group of normal adult ponies (n = 12) was studied as a reference group. Heparinized jugular venous blood samples were collected and centrifuged within 30 min, and the plasma was separated and frozen at −70 °C for subsequent batched cTnI analysis. …”
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