A Comparison of the McKenzie Approach to a Specific Spine Stabilization Program for Chronic Low Back Pain
Bibliographic record
Abstract
The purpose of this randomized pragmatic controlled trial was to compare the effectiveness of two specific treatment approaches for patients with chronic low back pain. Thirty subjects with chronic low back pain were randomly assigned to either a McKenzie group or a specific stabilization group. The Functional Status Questionnaire, short-form McGill Pain Questionnaire (SF-MPQ), and passive straight leg raising (SLR) were administered at the initial examination and following a 6-week treatment program. Wilcoxon Signed-Ranks tests, and Mann-Whitney U-tests were used to analyze the data. The stabilization group demonstrated a statistically significant improvement in pain scores and in SLR range of the involved lower extremity (p<0.05). The McKenzie group improved in the present pain index of the SF-MPQ only (p<0.05). Between-group comparisons of changes in the dependent variable scores revealed no statistical differences between the groups.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.006 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.003 | 0.002 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.003 | 0.002 |
| Insufficient payload (model declined to judge) | 0.007 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".