Table 4.

BALANCE: Discriminative validity study in patients with long-lasting low back (LBP), (n = 20), and healthy controls (n = 17). Median (IQR) and p-value of Mann Whitney U test. See Table 1 for description of the variables

	LBP	Controls	P-value
Two leg balance
D-SA	0.10 (0.10)	0.10 (0.15)	0.916
D-SVAP	0.70 (0.58)	0.50 (0.35)	0.326
D-SVML	0.30 (0.28)	0.20 (0.20)	0.341
Left leg balance
L-SA	0.45 (0.88)	0.40 (0.60)	0.270
L-SVAP	1.4 (1.08)	1.0 (0.90)	0.257
L-SVML	1.55 (0.78)	1.40 (1.40)	0.940
Right leg balance
R-SA	0.45 (1.33)	0.50 (0.65)	0.707
R-SVAP	1.55 (1.73)	0.90 (0.50)	0.013
R-SVML	1.95 (1.68)	1.80 (1.60)	0.707