Cognitive function affects trainability for physical performance in exercise intervention among older adults with mild cognitive impairment

Figures & data

Table 1 Demographic and clinical characteristics of study participants

Age (years)	74.8 ± 7.3 (65–93)
Education (years)	11.1 ± 2.9
Gender (males)	20 (48)
Medications (n)	2.6 ± 2.3
MMSE (points)	26.9 ± 2.3
GDS (points)	3.7 ± 2.9
TMT-B (seconds)	174.9 ± 75.3
Muscle strength of knee extension (Nm/kg)	1.19 ± 0.4
TUG (seconds)	8.6 ± 1.9
Attendance rate (%)	88.2 ± 19.2

Note: values presented are the mean ± standard deviation or n (%).

Abbreviations: MMSE, Mini-Mental State Examination; GDS, Geriatric Depression Scale; TMT-B, Trail Making Test Part B; TUG, Timed Up and Go test.

Table 2 Correlation coefficients for potential correlates and change in TUG

Potential correlates	Change ratio in TUG Correlation coefficient
	R	P value
Age	0.146	0.35
MMSE	−0.321	0.034
GDS	0.03	0.85
TMT-B	0.202	0.19
Muscle strength of knee extension	−0.236	0.12
Attendance rate	−0.354	0.027

Abbreviations: MMSE, Mini-Mental State Examination; TUG, Timed Up and Go test; GDS, Geriatric Depression Scale; TMT-B, Trail Making Test Part B.

Figure 1 Scatter graph showing the relationship between change in Timed Up and Go test and Mini-Mental State Examination scores.

Abbreviations: MMSE, Mini-Mental State Examination; TUG, Timed Up and Go test.

Table 3 Factors associated with improved TUG in stepwise multiple regression

	Factors	β	P value	R^2
Change ratio in TUG	Attendance rate	−0.322	0.026	0.24
	MMSE	−0.295	0.041

Abbreviations: TUG, Timed Up and Go test; MMSE, Mini-Mental State Examination.