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151 patients with at least six weeks of nonspecific low back pain were randomised.Intention to treat analysis showed no differences between the groups on all outcome measures(patients'global perceived effect,severity of main complaints,functional status and pain);all 95%confidence intervals included the value zero.The number of withdrawals from treatment,loss to followup,and protocol deviations was low.Consequently,the per protocol analysis showed results similar to the intention to treat analysis. Subgroup analyses did not show any group for which traction might seem promising.Our data do not support the claim that traction is effective for patients with low back pain. |
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