Penrose 1991.
Methods | RCT | |
Participants | Subjects: 30 patients, 8 women and 22 men. Mean age 34 years (range 19 ‐ 61 years). Patients were diagnosed as having muscular strain/sprain of the lower back by an orthopedic‐neurologic examination. No information available on mean duration of complaints. | |
Interventions | Treatment intervention:
1) Pneumatic lumbar support (n=15). Lumbar support use during 6 hours / day, 5 days / week, 6 weeks. Control intervention: 2) No intervention. |
|
Outcomes | Pain index; lumbar supports better after 1 hour, 3 weeks and 6 weeks. | |
Notes | No data on compliance. | |
Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Adequate sequence generation? | Unclear risk | Unclear from text |
Allocation concealment? | Low risk | A ‐ Adequate |
Blinding? All outcomes ‐ patients? | High risk | |
Blinding? All outcomes ‐ outcome assessor? | High risk | |
Incomplete outcome data addressed? All outcomes ‐ drop‐outs? | Low risk | |
Incomplete outcome data addressed? All outcomes ‐ ITT analysis? | Low risk | |
Similarity of baseline characteristics? | Unclear risk | Unclear from text |
Co‐interventions avoided or similar? | High risk | |
Compliance acceptable? | Unclear risk | No data on compliance. |
Timing outcome assessments similar? | Low risk |