Table 7

Characteristics of included trials of ultrasound therapy for pain relief in patients with knee osteoarthritis

First author, publication year

Type

No of patients on active therapy (n = 74)

Method quality

Mean baseline pain (mm VAS)

Best mean difference (95% CI) of change over placebo (mm VAS)

Outcome assessment timepoints (weeks, best time point in bold)


Falconer-92

Maximal tolerable 0.1 to 2.5 W/cm2. 2–3 sessions/week, 12 sessions total

74

4

53.0

n.s.

4

Total

74

4

53.0

n.s.

4


*Mean.

† Weighted mean

Bjordal et al. BMC Musculoskeletal Disorders 2007 8:51   doi:10.1186/1471-2474-8-51

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