Table 1: Over-all results for the ACR-20 scores according to statistical fixed and random models.

Model

Prevalence

95%CI

Heterogeneity

p-value-het

Q-het

I2

Fixed

0.219

(0.202; 0.237)

12

0

100.621

88.07

Random

0.247

(0.192; 0.301)

12

0

100.621

88.07