A Study on the Relationship between Postural Control and Pain-Related Clinical Outcomes in Patients with Chronic Nonspecific Low Back Pain

Table 1

The demographic characteristics of the sample populations.

	cNLBP (mean ± SD, range)	Control (mean ± SD, range)	t
Age (years)	23.77 ± 3.42, 11.00	22.67 ± 1.98, 11.00	1.460	0.150
Sex (male/female)^a	18/9	16/11	N.A.	0.573
Height (m)	165.96 ± 8.15, 33.00	166.33 ± 8.10, 29.00	−0.167	0.868
Weight (kg)	58.33 ± 11.13, 45.00	56.56 ± 8.82, 36.00	0.648	0.520
BMI (kg/m^2)	21.07 ± 3.01, 11.51	20.39 ± 2.34, 9.94	0.939	0.352
ODI	18.94 ± 12.61, 56.80	NA
NRS	3.67 ± 1.57, 6	NA
Pain duration (months)	20.41 ± 20.41, 69

Notes: ^achi-square test was conducted to assess the difference in sex. BMI, body mass index; ODI, Oswestry Disability Index; NRS, Numerical Rating Scale.