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Table 4 the pain 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)

VAS at 4 weeks

−6.38

−10.20, −2.57

0.001

18.94

95%

<0.00001

Random inverse variance

4

238

Fig S1

[24, 26, 33, 35]

VAS at 8 weeks

−5.44

−8.8, −2.09

0.001

14.11

95

<0.00001

Random inverse variance

4

299

Fig S2

[24, 26, 36, 37]

VAS at 12 weeks

−19.37

−23.90, − 14.85

<0.00001

43

0.15

Fixed inverse variance

2

127

Fig S3

[24, 26]

WOMAC pain at 4 weeks

−6.91

− 11.08, −2.74

0.001

15.85

85

<0.0001

Random inverse variance

3

186

Fig S4

[24, 26, 33]

WOMAC pain at 8 weeks

−11.05

−14.94, −7.17

<0.00001

10.57

79

0.003

Random inverse variance

2

127

Fig S5

[24, 26]

WOMAC pain at 12 weeks

−12.37

−19.47, −5.26

0.0006

58.02

97

<0.00001

Random inverse variance

3

262

Fig S6

[24, 26, 34]