| Figure number in current article |
Number of studies |
Study category |
I2
|
Effect size (95% CI) |
p-value |
| |
All studies |
| 2 |
32 |
Pain decrease |
0.99 |
1.92 (0.91 to 2.94) |
<0.001 |
| |
Therapeutic studies |
| 3 |
22 |
Pain decrease in all countries |
0.99 |
2.56 (1.16 to 3.97) |
<0.001 |
| |
20 |
Pain decrease without Scandinavia |
0.99 |
2.85 (1.36 to 4.3) |
<0.001 |
| |
2 |
Pain decrease only in Scandinavia |
0.55 |
-0.28 (-0.76 to +0.19) |
0.24 |
| 4 |
15 |
Disability decrease in all countries |
0.99 |
2.30 (0.90 to 3.72) |
0.001 |
| |
13 |
Disability decrease without Scandinavia |
0.99 |
2.64 (1.10 to 4.18) |
<0.001 |
| |
2 |
Disability decrease only in Scandinavia |
0.20 |
0.13 (-0.23 to +0.48) |
0.49 |
| |
Preventive studies |
| 5 |
10 |
Pain decrease in all countries |
0.89 |
0.46 (0.14 to 0.77) |
0.004 |
| |
6 |
Pain decrease without Scandinavia |
0.51 |
0.84 (0.49 to 1.19) |
<0.001 |
| |
4 |
Pain decrease only in Scandinavia |
0.11 |
0.065 (-0.042 to +0.17) |
0.23 |
| 6 |
5 |
Disability decrease in all countries (only one study outside Scandinavia) |
0.00 |
0.069 (-0.029 to +0.16) |
0.17 |
| 7 |
8 |
Sick leave percentage in all countries (only Scandinavian studies) |
0.48 |
0.16 (-0.17 to +0.49) |
0.34 |
| 8 |
8 |
LPP percentage in all countries (only one study outside Scandinavia) |
0.23 |
0.15 (-0.094 to +0.39) |
0.23 |
