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weeks prior to evaluation. Power calculation The primary endpoint of the study was change in adrenal activity (evaluated by 60 min area under the curve (AUC) for ACTH-stimulated cortisol levels) during treatment with escitalopram/placebo. The
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Synlab Academy, Synlab Holding Germany GmbH, Heidelberg, Germany
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size of 0.5, for a two-sided alternative hypothesis with an α of 0.05 and a power of 90%. Further details can be found in the publication of the original study ( 23 ). Recruitment took place from June 2011 to August 2014 and 200 Caucasian study
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power = 0.80 with β = 0.60, dominant allele frequency = 0.54 and mean ( s.d .) of FPG = 5.3 (0.7) mmol/L obtained from a previous study and accepted for a group of subjects without diabetes ( 39 ). Additional 43 subjects were included in the patient
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score cut-off: 20. Statistical analysis The sample size needed to detect significant differences in CgA levels per assay (from previously published mean ± s.e.m. , using a power of 0.8 and α = 0.05) was calculated to be a minimum of 210
Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, Stockholm, Sweden.
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IGF ( 43 ), all of which may enhance skeletal muscular activity. Obviously, muscle growth and the accompanying increase in strength and power could enhance performance. In addition, bone formation is stimulated by androgens, both directly and in part
2nd Department of Internal Medicine, University Hospital Kralovske Vinohrady and Third Faculty of Medicine, Charles University in Prague, Srobarova, Prague, Czech Republic
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Diabetes Centre, Institute for Clinical and Experimental Medicine (IKEM), Videnska, Prague, Czech Republic
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iodine sufficiency ( 15 ). The power of the sample size was established. The patients were recruited from October 2013 to February 2018. Patient history, ultrasound of neck (US), and biochemical testing were done at the Institute of Endocrinology and 2nd
Amsterdam Public Health, Quality of Care, Amsterdam, The Netherlands
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Department of Rare Disorders and Disabilities, Oslo University Hospital, NevSom, Oslo, Norway
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inflation in published studies ( 55 ), we powered our study to detect a smaller effect size, two-tailed α of 0.05, with 80% statistical power. Data cleaning was done in SPSS for Windows, version 24.0 (SPSS Inc. 26 ed., 2020). We excluded missing data
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School of Engineering and Natural Sciences, University of Iceland, Reykjavik, Iceland
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Department of Medicine, Landspitali – The National University Hospital of Iceland, Reykjavik, Iceland
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for 80% power was calculated using Lehr’s formula. Table 2 Demographic and clinical characteristics of the study population. Women with pituitary dysfunction were compared to women with normal pituitary to identify possible risk factors for
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Division of Medical Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
Division of Clinical Studies, Institute of Cancer Research, London, UK
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Department of Radiology and Nuclear Medicine, Rijnstate Hospital, Arnhem, The Netherlands
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Department of Radiology, Section of Nuclear Medicine, Leiden University Medical Center, Leiden, The Netherlands
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acquired during a randomised controlled trial, the study was not a priori powered to distinguish HRQoL effects ( 6 ). Post hoc sensitivity analysis, however, showed that in the smallest cohort (i.e. active surveillance group, n = 23) we have 80% power
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-squaretest was used for association analyses on 2 × 2 and 2 × 3 contingency tables. Two-tailed P values <0.05 were considered statistically significant. The power of the study was evaluated by means of the online PS power and sample size calculator v.2