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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]