How to prevent cognitive overload in the walking-arithmetic dual task among patients with Parkinson’s disease

BMC Neurology

Table 2 General arithmetic results of the two groups

	HC group, n = 15			PD group, n = 16			P (HC group vs. PD group; 2-min SAT)	P (HC group vs. PD group; 2-min WADT)
	2-min SAT	2-min WADT	P (2-min SAT vs. 2-min WADT)	2-min SAT	2-min WADT	P (2-min SAT vs. 2-min WADT)	P (HC group vs. PD group; 2-min SAT)	P (HC group vs. PD group; 2-min WADT)
Amount of problems (n)	57.67 ± 6.42	53.40 ± 8.85	0.14	35.19 ± 8.60	29.25 ± 10.83	0.09	0.00**	0.00**
Calculation speed (n/min)	28.83 ± 3.21	26.70 ± 4.42	0.14	17.60 ± 4.30	14.63 ± 5.41	0.09	0.00**	0.00**
Calculation accuracy (%)	1.00 ± 0.00	0.99 ± 0.01	0.03*	0.99 ± 0.02	0.92 ± 0.06	0.00**	0.05	0.00**

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