Research Article

Tissue Damage Markers after a Spinal Manipulation in Healthy Subjects: A Preliminary Report of a Randomized Controlled Trial

Table 2

Blood concentrations for all groups at each follow-up period. Statistical significance and effect size for group-by-time interaction.

Pre-TPost-0 HPost 2 H valueEta2
Mean ± SDMean ± SDMean ± SD

CPK (U/L)Control74.90 ± 17.2174.10 ± 17.1274.40 ± 16.570.4250.065
Thoracic72.00 ± 13.7372.10 ± 16.0071.10 ± 19.09
Cervical65.10 ± 14.7865.20 ± 16.2968.10 ± 16.38

LDH (U/L)Control276.03 ± 57.30283.43 ± 44.29268.11 ± 47.020.1670.112
Thoracic297.20 ± 52.66294.70 ± 52.69289.80 ± 67.36
Cervical275.90 ± 43.40276.00 ± 28.20302.80 ± 82.64

Enolase (ng/mL)Control9.48 ± 1.818.90 ± 1.248.86 ± 1.290.2350.100
Thoracic9.09 ± 1.509.52 ± 1.419.42 ± 2.95
Cervical9.57 ± 3.269.23 ± 1.9711.57 ± 6.17

CPR (mg/L)Control1.41 ± 1.001.61 ± 1.021.53 ± 1.190.4860.058
Thoracic0.56 ± 0.300.50 ± 0.270.50 ± 0.30
Cervical1.48 ± 1.161.48 ± 1.221.47 ± 1.15

Aldolase (U/L)Control3.09 ± 1.603.36 ± 1.373.50 ± 1.570.8590.019
Thoracic3.10 ± 1.063.23 ± 1.253.17 ± 1.37
Cervical3.13 ± 1.023.29 ± 0.903.63 ± 1.38

Myoglobin (ng/mL)Control50.76 ± 31.3952.18 ± 23.6370.20 ± 43.560.3120.083
Thoracic36.80 ± 10.8138.30 ± 10.8036.60 ± 10.60
Cervical35.40 ± 20.8735.80 ± 19.6239.10 ± 22.19

Pre-T: pretreatment values; Post-0 H: values 0 H after intervention; Post-2 H: values 2 H after intervention; CPK: creatine phosphokinase; LDH: lactate dehydrogenase; CRP: C-reactive protein.