BioMed Research International / 2014 / Article / Tab 2

Clinical Study

One-Year Follow-Up of a Series of 100 Patients Treated for Lumbar Spinal Canal Stenosis by Means of HeliFix Interspinous Process Decompression Device

Table 2

Summery of patients’ outcomes.


Mean VAS84

Mean R-M169

LBP62Abolished: 25
Improved: 32
Unchanged: 2

LP47Abolished: 18
Improved: 32
Unchanged: 4

NIC84Abolished: 29
Improved: 37
Unchanged: 8

PSI/Satisfied: 66
Quite satisfied: 26
Nonsatisfied: 8

VAS: visual analogic scale; R-M: Roland-Morris disability questionnaire; LBP: low back pain; LP: leg pain; NIC: neurogenic intermittent claudication; PSI: patients satisfaction index.

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