Table 1.

General characteristics and cognitive functions of participants from study and control groups at baseline

Item (baseline)	Study group (n = 181)	Control group (n = 30)	p-value
Age (years)	77.1 ± 2.5	77.3 ± 3.1	0.696
Weight (kg)	63.8 ± 10.7	65. 7 ± 12.4	0.380
Education (years)	8.3 ± 2.4	9.1 ± 2.6	0.096
MMSE scores	28.2 ± 1.6	28.8 ± 2.1	0.071
DST scores	16.3 ± 1.8	16.6 ± 1.6	0.392
CDT scores	2.5 ± 0.5	2.6 ± 0.6	0.326
SDMT scores	31.3 ± 3.2	30.4 ± 3.5	0.161
TMT-A scores	41.1 ± 5.8	42.4 ± 6.6	0.266

MMSE, Mini-Mental State Examination; DST, Digit Span Test; CDT, Clock Drawing Test; SDMT, Symbol Digit Modalities Test; TMT-A, Trail Making Test A.