Baseline Clinical Factors
Back pain dominant, acute: Primary complaint is LBP. Symptoms ≤3 months Leg pain dominant, acute: Primary complaint is leg pain. Symptoms ≤3 months Back pain = Leg pain, acute: Patient reports 50 +/- 10% of each. Symptoms ≤3 months Back pain dominant, chronic: Primary complaint is LBP. Symptoms >3 months Leg pain dominant, chronic: Primary complaint is leg pain. Symptoms >3 months Back pain = leg pain, chronic: Patient reports 50 +/- 10% of each. Symptoms >3 months Neurogenic claudication: Numbness, weakness, or pain to the buttocks or legs, exacerbated by walking or standing, relieved by sitting Cauda equina syndrome: Dominant complaint is motor weakness, incontinence or Cauda equina syndrome, with or without associated complaints of pain INCLUSION CRITERIA: All patients TIMING: Baseline REPORTING SOURCE: Clinical TYPE: Single Answer
integer
Not defined: No study ordered, or no study interpretation available for determination of structural pathology Age appropriate: Structural changes are consistent with normal aging and not a clinically relevant source of symptoms Disc pathology with normal disc height: Disc pathology without significant loss of disc height, includes disc herniation, internal disc desiccation and annual tear Disc space collapse: Disc pathology with mechanical disc space collapse with or without associated disc space pathology Spondylolisthesis/Spondylolysis: Any listhesis, including degenerative and isthmic spondylolisthesis Scoliosis/Kyphosis: Lumbar spine deformity including localized scoliosis or kyphosis Facet pathology: Significant face arthrosis or degeneration, including synovial cysts INCLUSION CRITERIA: All patients TIMING: Baseline REPORTING SOURCE: Clinical TYPE: Single Answer
integer
Not defined: No study ordered, or no study interpretation available for determination of compressive pathology None: No clinically relevant compressive pathology Central: Compression in the central canala region (between the lateral margins of the dura) from any etiology Lateral: Compression in the lateral recess or foraminal regions (lateral to the lateral margins of the dura) from any etiology Combined: Compression in the central canal and latera recess/foraminal regions from any etiology Recurrent: Recurrent compression following previous surgical treatment at the same level, either in a central canala and/or recess/foraminal regions INCLUSION CRITERIA: All patients TIMING: Baseline REPORTING SOURCE: Clinical TYPE: Single Answer
integer
ASA1: no disturbance ASA2:mild/moderate ASA3: severe ASA4: life-threatening ASA5: moribund INCLUSION CRITERIA: Surgically treated patients TIMING: Baseline REPORTING SOURCE: Clinical TYPE: Single Answer
integer
INCLUSION CRITERIA: Surgically treated patients TIMING: Baseline REPORTING SOURCE: Clinical TYPE: Single Answer
integer
Height and weight are used to calculate BMI INCLUSION CRITERIA: All patients TIMING: Index hospitalization REPORTING SOURCE: Clinical RESPONSE OPTIONS: Numerical value of height in centimeters or inches
integer
INCLUSION CRITERIA: All patients TIMING: Index hospitalization REPORTING SOURCE: Clinical TYPE: Single answer
integer
Height and weight are used to calculate BMI INCLUSION CRITERIA: All patients TIMING: Index hospitalization REPORTING SOURCE: Clinical RESPONSE OPTIONS: Numerical value of weight in kilograms or pounds
integer
INCLUSION CRITERIA: All patients TIMING: Index hospitalization REPORTING SOURCE: Clinical TYPE: Single Answer
integer
Prior Treatment
INCLUSION CRITERIA: Surgically treated patients TIMING: Baseline REPORTING SOURCE: Clinical TYPE: Single Answer
integer
INCLUSION CRITERIA: Surgically treated patients; If patient has had previous procedural back interventions (INTERVENT) TIMING: Baseline REPORTING SOURCE: Clinical Variable ID: In the Variable ID the numeral will have to be modified, up to 10 possible entries.
partialDate
INCLUSION CRITERIA: Surgically treated patients; If patient has had previous procedural back interventions (INTERVENT) TIMING: Baseline REPORTING SOURCE: Clinical Variable ID: In the Variable ID the numeral will have to be modified, up to 10 possible entries. TYPE: Single answer
integer
INCLUSION CRITERIA: Surgically treated patients; If patient has had previous procedural back interventions (INTERVENT) TIMING: Baseline REPORTING SOURCE: Clinical Variable ID: In the Variable ID the numeral will have to be modified, up to 10 possible entries. TYPE: Single answer
integer
Procedure
Decompression: e.g. laminectomy INCLUSION CRITERIA: All patients TIMING: During index visit or hospitalization for procedure REPORTING SOURCE: Clinical TYPE: Single Answer
integer
INCLUSION CRITERIA: If answered 1-5 for PROCEDURETYPE TIMING: During index visit or hospitalization for procedure REPORTING SOURCE: Clinical TYPE: Multiple Answer
boolean
INCLUSION CRITERIA: If answered 1-5 for PROCEDURETYPE TIMING: During index visit or hospitalization for procedure REPORTING SOURCE: Clinical TYPE: Multiple Answer
boolean
INCLUSION CRITERIA: If answered 1-5 for PROCEDURETYPE TIMING: During index visit or hospitalization for procedure REPORTING SOURCE: Clinical TYPE: Multiple Answer
boolean
INCLUSION CRITERIA: If answered 1-5 for PROCEDURETYPE TIMING: During index visit or hospitalization for procedure REPORTING SOURCE: Clinical TYPE: Multiple Answer
boolean
INCLUSION CRITERIA: If answered 1-5 for PROCEDURETYPE TIMING: During index visit or hospitalization for procedure REPORTING SOURCE: Clinical TYPE: Multiple Answer
boolean
INCLUSION CRITERIA: If answered 1-5 for PROCEDURETYPE TIMING: During index visit or hospitalization for procedure REPORTING SOURCE: Clinical TYPE: Multiple Answer
boolean
Acute Complications of Treatment
INCLUSION CRITERIA: Surgically treated patients TIMING: During the index hospitalization REPORTING SOURCE: Clinical TYPE: Single Answer
integer
INCLUSION CRITERIA: Surgically treated patients TIMING: During the index hospitalization REPORTING SOURCE: Clinical TYPE: Date by DD/MM/YYYY
date
INCLUSION CRITERIA: Surgically treated patients TIMING: During the index hospitalization REPORTING SOURCE: Clinical TYPE: Single Answer
integer
INCLUSION CRITERIA: Surgically treated patients TIMING: During the index hospitalization REPORTING SOURCE: Clinical TYPE: Single Answer
integer
INCLUSION CRITERIA: Surgically treated patients TIMING: During the index hospitalization REPORTING SOURCE: Clinical TYPE: Single Answer
integer
INCLUSION CRITERIA: Surgically treated patients TIMING: During the index hospitalization REPORTING SOURCE: Clinical TYPE: Single Answer
integer
INCLUSION CRITERIA: Surgically treated patients TIMING: During the index hospitalization REPORTING SOURCE: Clinical TYPE: Single Answer
integer