Table 2: Comparison of Y-balance test (YBT) normalized reach distances and composite scores between dominant and non-dominant legs for both the asymptomatic and the chronic low back pain (CLBP) groups.

	Dominant Leg *	Non-dominant Leg *	95% CI	p-value ‡‡
Asymptomatic Group (n=15)
ANT† (%LL)	68.6 ± 6.1	70.4 ± 6.0	0.33 to 4.02	0.091
PM† (%LL)	112.4 ± 12.7	112.7 ± 13.6	2.04 to 2.52	0.824
PL† (%LL)	108.7 ± 16.0	107.6 ± 13.6	3.85 to 1.70	0.419
Composite Score‡ (%LL)	96.6 ± 10.2	96.9 ± 10.2	0.73 to 1.40	0.509
CLBP Group (n=15)
ANT† (%LL)	63.1 ± 7.4	63.1 ± 6.7	2.22 to 2.22	0.998
PM† (%LL)	92.7 ± 13.5	93.7 ± 13.8	1.64 to 3.58	0.440
PL† (%LL)	88.6 ± 13.0	86.8 ± 13.2	3.96 to 0.31	0.088
Composite Score‡ (%LL)	81.5 ± 10.6	81.2 ± 10.1	1.84 to 1.27	0.701

CLBP, chronic low back pain; 95% CI, 95% confidence interval; ANT, anterior; PM, posteromedial; PL, posterolateral; %LL, normalized to leg length expressed as a percentage.

^*Values are mean ± SD.

^†Normalized reach was calculated as [reach distance (cm)/leg length of stance leg (cm) x 100].

^‡Composite score is the average of the three reach distances (ANT, PM, PL) divided by three times the leg length (LL) and multiplied by 100

^‡‡Statistically significant difference at the 0.05 level.