A cross-sectional study and a random stratified sampling strategy were used.
This cross-sectional study was carried out in two stages.
This work corresponds to a cross-sectional study.
Methods This was a cross-sectional study using descriptive and bivariate analysis.
A comparative cross-sectional study was performed with non-probabilistic sampling.
Se realizó un estudio transversal comparativo con muestreo no probabilístico.
Multicentre cross-sectional study conducted in rheumatology clinics.
Estudio transversal multicéntrico en consultas de reumatología.
It must be noted that this cross-sectional study does not reveal anything about causality.
Hay que señalar que este estudio transversal no revela nada sobre la causalidad.
Descriptive cross-sectional study of the baseline characteristics of patients with a mild pain knee.
Estudio transversal descriptivo de las características basales de los pacientes con gonalgia leve.
An observational, cross-sectional study consisting in performing a self-rated questionnaire was carried out.
Se realizó un estudio transversal observacional mediante la cumplimentación de un cuestionario.
This work is a cross-sectional study, the methods of which encompassed two distinct stages.
Este trabajo es un estudio transversal, cuyos métodos abarcan dos etapas distintas.
Performing a cross-sectional study can be viewed as a limitation of the research.
La realización de un estudio transversal puede ser vista como una limitación de la investigación.
Finally, because this is a cross-sectional study, causality cannot be established.
Por último, se destaca que no es posible establecer causalidad, por tratarse de un estudio transversal.
An analytical, cross-sectional study was conducted.
Se realizó un estudio transversal analítico.