Table 1.

Sample characteristics.

	CTL group	CLBP group	p-value
Age (years)	70.2 ± 4.6	70.13 ± 6.5	0.9745
Height (m)	1.56 ± 0.04	1.55 ± 0.03	0.7935
Weight (kg)	54.07 ± 2.21	54.53 ± 2.19	0.5676
NRS	–	1.53 ± 0.63	–
ODI (%) #	0 (0; 4)	12.5 (10; 16)	< 0.0001

Data expressed as mean ± SD if presented with a normal distribution, or median and percentiles if presented with nonparametric distribution.

The level of significance was 0.05.

NRS numeric pain rating scale, ODI Oswestry disability index.