Table 4.
Assessment of publication bias.
| Outcomes | No. of studies | Egger's test (P-values) | Begg's test (P-values) |
|---|---|---|---|
| Pain | 12 | 0.595# | 0.451# |
| Physical function | 15 | 0.278# | 0.075# |
#P > 0.05.
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