Random-Effects Model (k = 2; tau^2 estimator: REML)

tau^2 (estimated amount of total heterogeneity): 63.5491 (SE = 125.0293)
tau (square root of estimated tau^2 value):      7.9718
I^2 (total heterogeneity / total variability):   71.88%
H^2 (total variability / sampling variability):  3.56

Test for Heterogeneity: 
Q(df = 1) = 3.5563, p-val = 0.0593

Model Results:

estimate       se     zval     pval    ci.lb    ci.ub          
-35.8769   6.6148  -5.4238   <.0001 -48.8416 -22.9122      *** 

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Signif. codes:  0 *** 0.001 ** 0.01 * 0.05 . 0.1   1 