The Spearman-Kärber method can be used to estimate the threshold value or difference limen in two-alternative forced-choice tasks. This method yields a simple estimator for the difference limen and its standard error, so that both can be calculated with a pocket calculator. In contrast to previous estimators, the present approach does not require any assumptions about the shape of the true unde...

abstract:introduction: racial and environmental differences in communities leading cause of differences in serum lipids. it can be said this study aimed in assessing percentile curves of serum lipid profile about 6-18 years old students of birjand.method: the present cross-sectional study was done on 4168 students of birjand aged 6-18 years. they were classified into three age groups 6-10 and 1...

Introduction: The idea that factors during early critical periods of life affect on long term health is now a major public health concern. In this study, in addition to investigating obesity prevalence among female high school students in Yazd, the relationship between obesity and birth weight was examined. Materials and Methods: This cross sectional study was conducted on 312 female high scho...

(See e.g. [2], [6] or [18]. Of course p0(n) is not quite unique, but following common practice we will often say “the” threshold when we should really say “a.”) It follows from [8] that every {Fn} has a threshold, and that in fact (see e.g. [18, Proposition 1.23 and Theorem 1.24]) p0(n) := pc(Fn) is a threshold for {Fn}. So the quantity pc conveniently captures threshold behavior, in particular...

Introduction: Neonatal hyperbilirubinemia is one of the most important factors affecting the auditory system and can cause sensorineural hearing loss. This study investigated the relationship between behavioral hearing thresholds in children with a history of jaundice and the maximum level of bilirubin concentration in the blood.   Materials and Methods: This study was performed on 18 children...

The current use of health index algorithms is mainly limited to single assessments the unit’s condition or device comparison. paper focuses on changes in values between consecutive analyses. algorithm used for this purpose was previously developed by authors. test group included 359 complete oil evaluation results from 86 power transformers monitored over several years. For each outcome, influe...

BACKGROUND The age-, gender-, and height-percentile requirements of the 'gold-standard' for the diagnosis of (pre)hypertension in adolescents make it time-consuming for clinicians and difficult-to-use by non-professionals. Simplified diagnostic tools are therefore needed. The use of blood pressure-to-height ratio (BPHR)--systolic BPHR (SBPHR) and diastolic BPHR (DBPHR)--has been reported in Han...

BACKGROUND Multiple screening tools, such as BMI and skinfold-derived percent body fat (%BF), are available to identify youth at risk of excess adiposity. However, poor classification agreement among these tools can be problematic for those interpreting test results. PURPOSE The purpose of this study was to investigate the validity of using BMI as an estimate of %BF in youth and to identify o...

THRESHOLD VALUES FOR SEMEN ANALYSIS WHO lower reference limits The WHO has published revised lower reference limits for semen analyses.5 The following parameters represent the generally accepted 5th percentile (lower reference limits and 95% confidence intervals [CIs] in parentheses), derived from a study of over 1900 men whose partners had a time-to-pregnancy of ≤12 months. The suggested lower...