In an interventional study design, there have been examined patients aged over 65 years with the diagnosis of osteoarthritis who were prescribed a first spa therapy course in spa resorts in south-eastern Poland, between April 2016 and July 2016.
Patients were assessed by an experienced physicians on the first day of the spa therapy (study 1), after three months (study 2) and one year (study 3) after the completion of the spa therapy.
All patients who had been enrolled to the study, were asked to fill out the appropriate questionnaires (on the first day of the spa therapy). The investigators ensured that questionnaires were properly completed, under the supervision of researcher previously trained for their application. Second (study 2) and third (study 3) stages of the study were performed after three months, and one year after the first study, respectively (participants were interviewed by telephone survey).
Interventions Spa treatment was applied during a session lasting 120 to 150 minutes a day. Spa treatment lasted 3 weeks, including treatments from Monday to Friday (15 days of treatment). As a part of comprehensive spa treatment, all the patients benefited from kinesiotherapy, physical agent modalities (electrotherapy, phototherapy), massage and balneotherapy (peloid therapy, hydrotherapy with mineral waters, crenotherapy).