Table 3.

iTUG parameters measured with the inertial sensor

	HC-YO	HC-OO	CI-YO	CI-OO
iTUG duration (s)	11.1 ± 1.7	12.3 ± 2.0	15.0 ± 2.9a	21.7 ± 8.5a,b,c
Sit-to-stand time (s)	1.5 ± 0.3	1.5 ± 0.2	2.2 ± 1.1a,b	2.2 ± 0.9a,b
Intermediate 180° turn time (s)	2.2 ± 0.4	2.5 ± 0.7	2.7 ± 0.6	3.9 ± 1.4a,b
Final 180° turn time (s)	1.7 ± 0.5	2.0 ± 0.7	2.0 ± 0.6	2.7 ± 1.3a,b,c
Stand-to-sit time (s)	0.9 ± 0.3	0.9 ± 0.3	1.3 ± 0.6a,b	1.4 ± 0.6a,b

Values are expressed as mean ± SD

HC healthy controls, CI cognitively impaired, YO young–old, OO old–old, iTUG instrumented Timed Up and Go

^aSignificant difference vs. HC-YO after Bonferroni correction

^bSignificant difference vs. HC-OO after Bonferroni correction

^cSignificant difference vs. CI-YO after Bonferroni correction;