150 patients were selected, of which 105 were finally included in the trial mean age 75 ± 7 years; 58 were males 55.2 %; 54.3 % were married, 3.8 % had a partner, 30.5 % were widows, 10.5 % were separated/divorced and 1.0 % were single.
Se seleccionaron 150 pacientes, de los cuales finalmente se incluyeron en el estudio 105 media de edad 75 ± 7 años; 58 fueron hombres 55,2 %,; el 54,3 % eran casados, el 3,8 % tenían pareja de hecho, el 30,5 % eran viudos, el 10,5 % eran separados/divorciados y el 1,0 %, solteros.