Table 4

Details of studies included in the systematic review

Author

Included in meta-analysis

Local anesthetic to both groups

Details of placebo/sub therapeutic dose

Ultrasound guidance

N

Weighted mean difference – morning pain (95%CI)

Timing of outcomes (weeks)


Abt et al [21]

yes

yes

Absorbent block

Not stated

32

2.00 (0.47 to 3.53)

19,32

Buch et al [27]

yes

yes

Absorbent foil

yes

150

0.70 (-0.26 to 1.66)

12

Buchbinder et al [10]

yes

no

6000 to 7500 vs 300 impulses

yes

178

-0.50 (-1.55 to 0.55)

6,12

Cosentino et al [33]

no

no

Not stated

yes

60

Not available

4,12

Haake et al [11]

yes

yes

Polythene foil barrier

Not stated

272

0.50 (-0.31 to 1.31)

6,12, 52

Krischek et al [22]

no

no

1500 vs 300 impulses

Not stated

50

Not available

6,12

Ogden et al [28]

yes

yes*

Styrofoam block

no

260

0.56 (-0.26 to 1.38)

4,8,12

Rompe et al [32]

no

no

3000 vs 30 impulses

Not stated

119

Not available

12, 52

Rompe et al [30]

no

no

1 cm gap

no

36

Not available

3,6,12,24

Rompe et al [31]

no

no

Reflecting pad

yes

45

2.60 (1.37 to 3.83)

26,52

Speed et al [12]

yes

no

Focus outside patient

yes

88

-0.36 (-1.66 to 0.94)

4,8,12,24


* Local anaesthetic was used for both groups but was different for the placebo group and the treatment group.

Thomson et al. BMC Musculoskeletal Disorders 2005 6:19   doi:10.1186/1471-2474-6-19

Open Data