0000000000810950
AUTHOR
C. Martínez
showing 7 related works from this author
Bladder cancer index : Cross-cultural adaptation into Spanish and psychometric evaluation
2014
Background: The Bladder Cancer Index (BCI) is so far the only instrument applicable across all bladder cancer patients, independent of tumor infiltration or treatment applied. We developed a Spanish version of the BCI, and assessed its acceptability and metric properties. Methods: For the adaptation into Spanish we used the forward and back-translation method, expert panels, and cognitive debriefing patient interviews. For the assessment of metric properties we used data from 197 bladder cancer patients from a multi-center prospective study. The Spanish BCI and the SF-36 Health Survey were self-administered before and 12 months after treatment. Reliability was estimated by Cronbach's alpha.…
Variations in the size of focal nodular hyperplasia on magnetic resonance imaging
2013
Abstract Objective To evaluate the changes in the size of focal nodular hyperplasia (FNH) during long-term magnetic resonance imaging (MRI) follow-up. Material and methods We reviewed 44 FNHs in 30 patients studied with MRI with at least two MRI studies at least 12 months apart. We measured the largest diameter of the lesion (in mm) in contrast-enhanced axial images and calculated the percentage of variation as the difference between the maximum diameter in the follow-up and the maximum diameter in the initial study. We defined significant variation in size as variation greater than 20%. We also analyzed predisposing hormonal factors. Results The mean interval between the two imaging studie…
Variación de tamaño de la hiperplasia nodular focal mediante resonancia magnética
2013
Objective: To evaluate the changes in the size of focal nodular hyperplasia (FNH) during longterm magnetic resonance imaging (MRI) follow-up.
Premorbid Adjustment and IQ in Patients With First-Episode Psychosis: A Multisite Case-Control Study of Their Relationship With Cannabis Use
2020
Abstract Psychotic patients with a lifetime history of cannabis use generally show better cognitive functioning than other psychotic patients. Some authors suggest that cannabis-using patients may have been less cognitively impaired and less socially withdrawn in their premorbid life. Using a dataset comprising 948 patients with first-episode psychosis (FEP) and 1313 population controls across 6 countries, we examined the extent to which IQ and both early academic (Academic Factor [AF]) and social adjustment (Social Factor [SF]) are related to the lifetime frequency of cannabis use in both patients and controls. We expected a higher IQ and a better premorbid social adjustment in psychotic p…
Description of x-ray beams using the fluorescence yields of a set of thick targets
1995
Quantitative methods in x-ray fluorescence analysis require a knowledge of the spectral distribution of the fluorescence-exciting beam. The use of XRF yield measurements of a set of thick pure element targets is proposed for the description of a fluorescence-exciting x-ray beam, without the need to obtain its spectral distribution. This new approach is derived theoretically and verified by comparing thin-target yields calculated from XRF yield measurements of thick pure element specimens with those obtained from a calculated spectral distribution. The difference between the two methods of obtaining the thin-target yields is within 9% relative error.
Composting rice straw with sewage sludge and compost effects on the soil-plant system.
2008
Composting organic residue is an interesting alternative to recycling waste as the compost obtained may be used as organic fertilizer. This study aims to assess the composting process of rice straw and sewage sludge on a pilot-scale, to evaluate both the quality of the composts obtained and the effects of applying such compost on soil properties and plant development in pot experiments. Two piles, with shredded and non-shredded rice straw, were composted as static piles with passive aeration. Throughout the composting process, a number of parameters were determined, e.g. colour, temperature, moisture, pH, electrical conductivity, organic matter, C/N ratio, humification index, cation exchang…
Evolución de la declaración de la tuberculosis en un área sanitaria de la Comunidad Valenciana desde 1987 hasta 1999
2001
Objetivos La infradeclaracion de la tuberculosis (TBC) es un hecho frecuente a escala mundial que ha sido escasa-mente estudiado en nuestro pais. El objetivo de nuestro es-tudio fue conocer el estado de la declaracion de los casos de TBC en nuestra area sanitaria Material y metodo Desde 1987 a 1999 se estudio de for-ma directa la incidencia y el estado de declaracion de los casos de TBC en nuestra area (censo: 106.632 habitantes). Los casos se obtuvieron desde el registro de EDO, anatomia patologica y bacteriologia, con posterior revision de la historia clinica Resultados Se diagnosticaron 410 casos de TBC, de los cuales 378 eran recientes del area (incidencia media anual: 27 por 100.000 ha…