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Table 1 Eligibility criteria determined during case review for Trial 1

From: Eligibility determination for clinical trials: development of a case review process at a chiropractic research center

Inclusion criteria Rationale
Acute, sub-acute, or chronic low back pain matching Quebec Task Force classifications 1, 2, 3, or 7 Low back pain, uncomplicated by known nerve root compression, neurological signs, or prior surgery
Exclusion criteria Rationale
Bleeding disorders Potential intolerance to biomechanical testing or treatment protocols
Vascular claudication Potential intolerance to biomechanical testing protocols
Bone and joint abnormality Potential intolerance to biomechanical testing or treatment protocols
Inflammatory or destructive tissue changes to the spine Potential intolerance to biomechanical testing or treatment protocols
Osteoporosis Potential intolerance to biomechanical testing or treatment protocols
General poor health Overall condition is too poor to tolerate treatment and biomechanical testing procedures
Neuromuscular diseases Condition may interfere with data collection/interpretation
Peripheral neuropathies Condition may interfere with data collection/interpretation
Prior spinal surgery Condition may interfere with data collection/interpretation
Suspicion of drug or alcohol abuse Condition may interfere with data collection, ability to comply with study protocol, and requires referral
Contraindication to spinal manipulation Safety concern for treatment protocols
Low back pain matching Quebec Task Force classifications 4 to 6 and 8 to 11 Condition of sufficiently complicated nature to cause intolerance to biomechanical testing procedures or data collection
Cauda equina syndrome Requires emergency surgical evaluation
Further diagnostic procedures other than dipstick urinalysis or X-rays Advanced diagnostic tests outside study scope
Compliance concerns May compromise ability to adhere to study protocol