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Title: Guest dimensions of health status in patients with spondylarthritis ankylopoetica using the SF-36th Objectives: The major aim of the diploma thesis was the study and the evaluation of the quality of life of patients with the spondylarthritis ankylopoetica in the Czech Republic. Methods: The own research was conducted using the survey method by means of the standardized questionnaire Short Form 36 (SF-36), which deals with the Health Related Quality of Life . The Czech version of the SF-36 survey translated by MUDr. Petr, Ph.D. (2000) was applied. In order to reach the main aim of the thesis the research was conducted in a group of patients with spondylarthritis ankylopoetica (n=101) and among the same number of the general Czech population members. The achieved results were divided into particular age categories in the both groups. The statistically significant differences between the two analysed samples were subsequently verified. Results: The mean age of the patients with spondylarthritis ankylopoetica was 51,6±14,9 years, whereas it reached 52,3±15,5 years in the sample of the general population. In the majority of the dimensions of the SF-36 questionnaire related to the physical health (physical functioning, role physical, bodily pain and general health) achieved the patients...

Abstract  Background: Body composition is an important health parameter in several disease conditions, e.g., the inflammatory back disease spondylarthritis (SpA). Body mass index (BMI) is the most common anthropometric body composition assessment but has several limitations. As a result, several studies have been carried out to improve its validity by combining different body parameters. Nickerson equation (NE) is one of the equations developed to address the limitation of BMI. However, the knowledge is lacking on the preference of the NE which includes BMI (body weight and height), hand grip strength, and sex to estimate body fat percent over BMI alone among individuals with spondylarthritis. Aim: This study aims to assess the association between BMI and the Nickerson equation (NE) -estimate body fat percentage- with body composition measured with bioelectrical impedance assessment (BIA) and in individuals with spondylarthritis. Methods: Thirty-two individuals with SpA 17 women and 15 men with a median (range) age of 47 (30-66) years were included. The weight (kg), length (cm), hand grip strength (kg), and sex were registered to estimate values of body composition by the NE. BIA was equally used to assess total body fat %, visceral fat (cm2), and skeletal muscle mass (kg). Associations between the NE, or body mass index (BMI), and BIA were analyzed by Spearman’s correlations (rs). Results: The result shows that the NE has a rs of 0.6 to BIA total body fat higher than the BMI correlation coefficient of 0.3 but NE has a lower coefficient of 0.3 to visceral fat than the BMI which is 0.6, NE also has a negative correlation coefficient of 0.6 to skeletal muscles.  Conclusion: This study suggested that the Nickerson Equation which combines BMI, hand grip strength, and sex is a better assessment of body composition in individuals with spondylarthritis and encourages clinicians to consider using the Nickerson equation in clinical setting instead of BMI where access to precise assessment tools is unavailable.