. Author manuscript; available in PMC: 2007 Sep 21.

Published in final edited form as: Mov Disord. 2005 Sep;20(9):1161–1169. doi: 10.1002/mds.20555

TABLE 2.

Tests of categorical model for positive response by treatment assignment in PD patients with depression

Treatment	k	d_+0.93	95% CI	Q_w
Active treatment	11	+0.93	+0.73 < δ < +1.13	29.80^a
Placebo	2	+1.18	+0.55 < δ < +1.81	0.47

Q_B (between-class effect) = 0.59, P = 0.44.

P < 0.001.

Treatment, active treatment vs. placebo administration; k, number of studies in analysis; d₄, mean weighted effect size; 95% CI, 95% confidence interval for d₊; Q_w, within-class effect (test for homogeneity).