|
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.
