Table 3.

Ranges and mean values of each axis in each test (mean ± standard deviation and [confidence interval])

Variable		OLCE		OLOE		DOL		NG
Vertical axis	Maximum	55.6 ± 11	[50.3–61.1]	42.1 ± 6.9	[39.5–43.8]	63.2 ± 14.3	[60.8–67.3]	79.2 ± 15.1	[72.4–81.1]
	Minimum	0 ± 0	[0–0]	0 ± 0	[0–0]	0 ± 0	[0–0]	0 ± 0	[0–0]
	Mean	7.5 ± 2.6	[5.2–9.8]	3.7 ± 1.4	[2.3–5.2]	8.6 ± 1.4	[5.6–11.6]	37.8 ± 0.8	[34.6–40.9]
Sagittal axis	Maximum	52.8 ± 11.4	[50.7–57.3]	47.7 ± 8.6	[44.3–51.7]	71.5 ± 13.4	[68.4–73.7]	40.8 ± 8.4	[37.6–43.9]
	Minimum	1 ± 0.9	[0.2–1.7]	0.1 ± 0.1	[0–0.5]	0.1 ± 0.1	[0.1–0.7]	2 ± 0.6	[0.8–3.5]
	Mean	12.4 ± 4.4	[10.1–14.8]	6.7 ± 3.4	[4.8–8.5]	11.7 ± 2.6	[8.9–14.5]	20.3	[18.6–22.1]
Perpendicular axis	Maximum	52.5 ± 9	[48.7–55.5]	35 ± 6.8	[33.5–41.4]	67 ± 11	[61.7–70.3]	50.9 ± 8.5	[47.7–53.3]
	Minimum	3.7 ± 2.1	[1.1–5]	0.1 ± 0.1	[0–0.2]	0.3 ± 0.2	[0–0.8]	4 ± 3.2	[3–5.2]
	Mean	19.5 ± 8.1	[16.1–19.9]	5 ± 2.6	[3.6–6.4]	8.2 ± 2.5	[5.9–10.5]	29.6 ± 5.1	[27.9–31.4]
Root Mean Square	Maximum	92.3 ± 19.5	[91.2–94.7]	70.6 ± 14.4	[66.8–73.9]	109.2 ± 23.9	[92.8–115.7]	96.5 ± 16.6	[88.5–101.2]
	Minimum	2.2 ± 2.5	[0.8–3.7]	0.2 ± 0.1	[0–0.5]	0.4 ± 0.2	[0–0.8]	5.9 ± 3	[4.2–6.8]
	Mean	19.5 ± 9.3	[15.5–23.6]	10.9 ± 6.6	[7.9–13.9]	19.7 ± 8.7	[14.7–24.7]	56.5 ± 11.1	[53–60]

OLCE One leg with eyes closed, OLOE one leg with eyes open, DOL dynamic equilibrium in one leg, NG normal gait