Table 2.

Description of RGAP (mean ± SD and median with min–max) in the two groups stratifying by tests (Test 1 and Test 2 in active and passive modality) and overall (all tests).

Tests and modality	RGAPa HG						RGAPa IG						Test to compare
													HG versus IG
	N	Meand	SDd	Mediand	min–maxd	p	N	Meand	SDd	Mediand	min–maxd	p	p f	Test
All tests
Reaching forward + reaching back	450	0,62	0,57	0,5	0–3,39	—	450	1,01	0,7	0,92	0–3,44	—	<0,001	b
Reaching forward	225	0,29	0,22	0,28	0,02–1,30	<0,001 b	225	0,46	0,3	0,49	0–1,62	<0,001 b	<0,001	b
Reaching-back	225	0,62	0,57	0,5	0–3,39		225	1,01	0,7	0,61	0–3,44		<0,001	b
Reaching forward + reaching back
Test 1	150	0,47	0,34	0,28	0–1,33	0,352e	150	0,75	0,65	0,48	0–3,44	0,505e	0,01	b
Test 2 passive	150	0,38	0,29	0,23	0–1,22		150	0,66	0,45	0,33	0,11–1,83		<0,001	b
Test 2 active	150	0,5	0,66	0,19	0,03–3,39		150	0,79	0,68	0,35	0–2,78		0,033	c
reaching forward
Test 1	75	0,4	0,32	0,28	0,02–1,3	<0,001 e	75	0,59	0,38	0,47	0,03–1,62	0,016 e	0,055	c
Test 2 passive	75	0,27	0,13	0,23	0–1,33		75	0,4	0,24	0,33	0,16–0,95		0,022	b
Test 2 active	75	0,19	0,1	0,19	0–0,39		75	0,37	0,23	0,35	0–0,76		0,001	b
reaching back
Test 1	75	0,55	0,35	0,5	0,0–1,3	0,095e	75	0,91	0,82	0,61	0–3,44	0,224e	0,055	b
Test 2 passive	75	0,49	0,36	0,44	0–1,22		75	0,91	0,47	0,88	0,11–1,83		0,001	c
Test 2 active	75	0,8	0,82	0,56	0,06–3,39		75	1,2	0,73	1,17	0,06–2,78		0,075	c

^aThe RGAP reported the relative error computed considering the difference between the measure requested and the measure done by the patients on measure requested.

^b t-student for paired samples.

^c t-student for independent sample with equal variances assumed.

^dThe mean and the median GAP are computed relativizing the absolute value (=the absolute number value) of the gap value of the measure requested.

^e p value of MANOVA test.

^f p value for two independent samples; the specific test is reported in the last column.

N: number of measurements tested.