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Table 5 the stiffness index at week 4, 8, 12

From: Effectiveness of Boswellia and Boswellia extract for osteoarthritis patients: a systematic review and meta-analysis

Secondary outcomes Overall effect Heterogeneity test Figure Reference
MD 95%CI P Tau2 I2 (%) P Statistical method Studies (N) Sample size (N)
WOMAC stiffness at 4 weeks − 5.10 − 8.55, − 1.64 0.004 8.23 64 0.03 Random inverse variance 3 186 Fig S7 [24, 26, 33]
WOMAC stiffness at 8 weeks − 8.02 − 11.75, − 4.29 <0.0001 7.64 60 0.06 Random inverse variance 2 127 Fig S8 [24, 26]
WOMAC stiffness at 12 weeks − 10.97 − 19.30, − 2.63 0.010 82.6 99 <0.00001 Random inverse variance 3 262 Fig S9 [24, 26, 34]