Repeat Pulmonary Rehabilitation Programs Confer Similar Increases in Functional Exercise Capacity to Initial Programs
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Bibliographic record
Abstract
In Brief PURPOSE The benefits of pulmonary rehabilitation (PR) diminish over 12 to 24 months following program completion. In many jurisdictions, patients may be offered a repeat program if they report a decrement in exercise capacity. The aim of this study was to compare measures of functional exercise capacity collected during initial and repeat PR programs. METHODS A retrospective medical record review was conducted for patients who completed a minimum of 4 consecutive weeks of inpatient PR at our facility in 2001. Measures included the 6-minute walk distance (6MWD) and time to symptom limitation during an endurance walk (EWT) collected prior to and on completion of the initial PR program (year 2001) and, where possible, the first repeat program completed between years 2001 and 2006. RESULTS Of 76 patients (forced expiratory volume in 1 second = 40 ± 19% predicted; 34 males), 17 repeated PR 25.1 ± 18.4 months after the 2001 program. Change in the 6MWD during the initial program was 37.1 m greater in repeaters than in nonrepeaters (P = .036). In repeaters, the 6MWD measured before commencing the repeat PR program was 45.1 ± 63.7 m lower than the 6MWD measured prior to the initial PR program (P = .013). Improvements in the 6MWD (90.6 ± 70.0 m vs 78.4 ± 83.8 m; P = .43) and the EWT (21 ± 11 minutes vs 21 ± 11 minutes; P = .87) were similar between the initial and repeat programs. CONCLUSION Similar gains in functional exercise capacity were achieved on completion of initial and repeat PR programs. The large decrement in the 6MWD between PR programs spaced 25 months apart suggests that a shorter time period is needed between programs. In patients with severe lung diseases, similar gains in functional exercise capacity were achieved during initial and repeat pulmonary rehabilitation (PR) programs spaced 25.1 ± 18.4 months apart. However, the large decrease in baseline 6-minute walk distances between programs suggests that repeat PR should be offered after a shorter time period.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it