Table 1. Sociodemographic data of the patients and endpoints at both times of measurement.

	t0		t1		Overall
	n	%	n	%
Number of patients	69		71		140
Age (years)
surveys with this information	67		71		138
18–40	5	7.5	17	23.9
41–60	24	35.8	21	29.6
over 60	38	56.7	33	46.5
Sex
surveys with this information	64		71		135
female	31	48.4	35	49.3
male	33	51.6	36	50.7
Highest educational level attained
surveys with this information	66		71		137
lower than secondary school certificate	29	43.9	23	32.4
secondary school certificate	23	34.9	26	36.6
higher education entrance qualification	14	21.2	22	31.0
PICSPDM * score	63		69		132
PICSPDM<2.5	28	44.4	16	23.2
PICSPDM>2.5	35	55.6	53	76.8
	MW	SD	MW	SD	Sign. (2-tailed)
PICSPDM*	2.70	0.91	3.07	0.66	0.01
PrepDM*	3.16	1.28	3.64	1.10	0.03

*Patients were included in the evaluation of PICS_PDM and PrepDM only if they had filled out the relevant scales completely. Mean values (M) were compared with the aid of two-tailed t-tests. Sign., significance; SD, standard deviation