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. 2021 Jul 14;12:669076. doi: 10.3389/fneur.2021.669076

Table 1.

Participants' demographic information.

Variable Healthy controls LBP
Participants (n) 27 24
Sex (M/F) 15/12 9/15
Age (in years) 46.9 ± 17.3 (25–75) 53.5 ± 10.2 (29–67)