The influence of the CIVIQ dimensions on quality of life of patients with primary superficial venous incompetence.

OBJECTIVES: To get to know the influence of the four domains of the Chronic Lower Limb Venous Insufficiency Questionnaire (CIVIQ) on the quality of life (QoL) of patients with primary superficial venous incompetence, and their behaviour in relation to age, gender, occupation, body mass index (BMI), and also with respect to the clinical and anatomical classes of the CEAP. MATERIAL AND METHODS: The sample was composed of 468 patients with primary superficial venous reflux (135 male and 333 female) who answered 100% of the questions in the Short Form-12 (SF12) and CIVIQ questionnaires. After a clinical and duplex examination, the patients were categorized as C0-6, Ep, As, Ap or As,p and Pr according to the CEAP classification. The relationships between CIVIQ domains and gender, age, occupation, BMI, and the clinical and anatomical classes of the CEAP classification were analyzed. RESULTS: Men reported better QoL than women (33.2 vs. 46.3) and this was also true for each of the CIVIQ's domains (p < .00). Pain (50.6) and physical restriction (45.3) were the dimensions with a greater influence on QoL, whereas social (41.7) and psychological (38.1) dimensions had a lesser influence. Patients aged between 45 and 64, household activities, and patients with C2-3 clinical classes were the patient groups with the worst scores in all the CIVIQ dimensions and those where significant differences were found. The BMI and anatomical distribution of the reflux had no influence on the QoL. CONCLUSIONS: Pain and physical restriction were the CIVIQ domains with greater influence on the QoL of patients with primary superficial venous reflux. Age increase (up to 64 years), female gender, household activities, and C2-3 CEAP clinical class were the main factors associated with the worst QoL perception.

Valoración de la composición corporal mediante cienantropometría e impedancia en escolares canarios / Assessment of body composition among school children from the Canary Islands by means of kinanthropometry and impedance

Antecedentes: La evolución de los estudios cineantropométricos ha permitido determinar que para obtener la composición corporal de un sujeto sólo sea necesario estudiar los componentes graso y muscular. El presente estudio tiene por objetivo valorar la composición corporal en escolares canarios mediante cineantropometría e impedancia, y comparar ambas técnicas de medida. Métodos: Diseño: estudio transversal. Sujetos: escolares canarios de entre 6 y 16 años de edad residentes en Gran Canaria y Tenerife. Selección de la muestra: muestreo, aleatorio estratificado simple, a partir de una población infinita de niños entre 6 y 16 años de edad, con un nivel de significación del 95% y un margen de error del 5%, y de p=q=0,5. El tamaño de la muestra obtenido a justado en función del porcentaje esperado de pérdidas es de 549 alumnos. Tratamiento estadístico: paquete informático SPSS 11.0. Se considera significativo el valor de p>=0,5. Comparación de los sistemas de medida mediante un modelo de regresión no lineal (método de Marquardt). Resultados: Hemos estudiado a 563 escolares: 254 niños y 309 niñas. Los dos procedimientos tienden a coincidir asintóticamente. El coeficiente de determinación para el porcentajede grasa ( A2) es de 0,93 y paral a masal ibre de grasa el A2 es de 0,63. Conclusiones: El modelo de regresión no lineal aplicado a un programa informático permite estimar la composición corporal corregida mediante datos obtenidos por impedancia, método con buena reproducibilidad a diferencia de la cineantropometría

Background: Kinanthropometric studies affirm that, to assess an individual's body composition, it is only necessary to establish his or her fat and muscle components. The purpose of this study was to assess body composition among school children from the Canary Islands by means of kinanthropometry and impedance, and to compare the two measuringte chniques. Methods: Design: Cross-sectional study. Subjects: Canary Island school children between the ages of 6 and 16 living on Gran Canaria and Tenerife. Sample selection: Stratified simple random sampling, from an infinite population of children between the ages of 6 and 16, with a level of significance of 95% and amargin of error of 5%,assuming that p=q=0.5. The required sample size, after adjustment for expected losses, was 549 school children. Statistical treatment: SPSS 11.0 statistical analysis application. A p value less than or equal to 0.5 was considered significant. The measuring systems were compared by means of a nonlinear regression model (the Marquardtm ethod). Results: We assessed 563 school children: 254 boys and 309 girls. The two procedure stended to coincide asymptotically. The coefficient of determination (A2) was 0.93 for the percentage of body fat and 0.63 for tal-free body mass. Conclusion: The application of the nonlinear regression model to a software application enables the estimation of corrected body composition on the basis of data obtained by means of impedance, which, unlike kinanthropometry, is a method with good reproducibility