Comparison 38. Orthovisc versus (Orthovisc plus lidocaine trigger point injection)(1 week post‐injection).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Pain at rest (0 to 4 point scale)	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
2 Pain/restrictions walking (0 to 4 point scale)	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
3 Pain/restrictions going up or down stairs (0 to 4 point scale)	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
4 Range of motion (degrees)	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
5 Safety: total withdrawals overall	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only