| Author, Year, Followup,a Pain Duration, Study Quality | Intervention | Population | Function and Pain Outcomes | Other Outcomes |
|---|---|---|---|---|
Ebadi, 2012139 1 month Duration of pain: Mean 6 to 8 years Fair | A. Ultrasound (n=25), 1.5 W/cm2 at 1 MHz, 10 sessions over 4 weeks B. Sham ultrasound (n=25) | A vs. B Age: 31 vs. 37 years Female: 25% vs. 50% Functional Rating Index (mean, 0-100): 41 vs. 44 Pain intensity (mean, 0-100 VAS): 47 vs. 49 | A vs. B 1 month Functional Rating Index (0-40): 22.8 vs. 30.5; p=0.004 Pain (0-100 VAS): 27.7 vs. 25.5; p=0.48 | NR |
Licciardone, 2013140 3 months Proportion with LBP duration >1 year: 50% Good | A. Ultrasound (n=233), 1.2 W/cm2 at 1 MHz, 6 sessions over 8 weeks B. Sham ultrasound (n=222) | A vs. B Age: 38 vs. 43 years Female: 58% vs. 68% RDQ (0-24): 5 vs. 5 Pain intensity (0-100 VAS): 44 vs. 44 | A vs. B 1 month, median (IQR) RDQ (0-24): 3 (1-7) vs. 3 (1-7); p=0.93 Pain improved ≥30%: RR 1.03 (95% CI 0.87 to 1.23) Pain improved ≥50%: RR 1.09 (95% CI 0.88 to 1.35) Pain improved ≥20 mm on 0 to 100 VAS): RR 1.01 (95% CI 0.80 to 1.26) 2 months RDQ (0-24): 3 vs. 4; p=0.76 ≥50% improvement in pain: RR 1.09 (95% CI 0.88 to 1.35) 3 months RDQ (0-24): 3 vs. 3; p=0.93 | A vs. B 1 month SF-36 general health (0-100): 72 (52-87) vs. 74 (54-87); p=0.6 Lost 1 or more days work in past 4 weeks because of low back pain: 13% vs. 6%, p=0.11 Prescription drug use for LBP: 16% vs. 18%, p=0.54 SF-36 general health (0-100): 72 (52-87) vs. 74 (54-87), p=0.73 2 months SF-36 general health (0-100): 72 vs.72 (57-85); p=0.53 ≥50% improvement in pain: RR 1.09 (95% CI 0.88 to 1.35) 3 months SF-36 general health (0-100): 72 vs. 74, p=0.66 |
Unless otherwise noted, followup time is calculated from the end of the treatment period
From: Results
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