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Table 1 Demographic characteristics and measures of pain and disability of subjects enrolled in the study

From: Effects of spinal manipulative therapy on inflammatory mediators in patients with non-specific low back pain: a non-randomized controlled clinical trial

LBP Patients
Characteristics Acute
(N = 22)
Chronic
(N = 25)
Asymptomatic Controls
(N = 24)
Age ± SD 32.8 ± 9.2 36.5 ± 11.1 35.2 ± 10.4
Gender: M/F 13/9 14/11 15/9
VAS 1 ± SD 6.1 ± 1.6 5.2 ± 1.8 NA
VAS 2 ± SD 2.6 ± 1.9 * 2.8 ± 1.9 * NA
ODI 1 ± SD 37.0 ± 13.7 28.1 ± 8.6 NA
ODI 2 ± SD 14.1 ± 10.3 * 17.3 ± 9.3 * NA
  1. *P < 0.001; SD: standard deviation; NA: not applicable. VAS 1: 10-point visual analogue scale at admittance; VAS 2: 10-point visual analogue scale post-SMT. ODI 1: Oswestry disability index at admittance; ODI 2: Oswestry disability index post-SMT