Table 3.

Locomotive syndrome risk test

	LSS+ (n=23)	LSS− (n=90)	P-value
Stand-up test			0.003##
Bilateral legs 40 cm	0	0
30 cm (%)	4 (17)	0
20 cm (%)	2 (9)	10 (12)
10 cm (%)	10 (43)	26 (29)
One leg 40 cm (%)	7 (31)	39 (43)
30 cm (%)	0	12 (13)
20 cm (%)	0	1 (1)
10 cm (%)	0	2 (2)
Two-step test	1.21 [1.06, 1.38]	1.36 [1.25, 1.49]	0.002*
GLFS-25
Total score	21.7 [13.5, 28.5]	5.0 [2.0, 7.0]	<0.0001*
Pain-related score	5.9 [3.5, 8.5]	1.9 [0.0, 3.0]	<0.0001*
ADL-related score	10.5 [3.5, 15.5]	1.8 [0.0, 3.0]	<0.0001*
Social-functions-related score	3.1 [1.0, 4.0]	0.7 [0.0, 1.0]	<0.0001*
Mental-health-related score	2.2 [1.0, 4.0]	0.6 [0.0, 1.0]	<0.0001*

Notes: Median [lower, upper quartiles]. ^##Fisher’s exact test; *Mann–Whitney U-test; Cut-off score for LSS diagnosis: LSS+, ≥13; LSS−, <13.

Abbreviations: ADL, activities of daily living; LSS, lumbar spinal stenosis; GLFS-25, 25-question Geriatric Locomotive Function Scale.