International Journal of Nephrology / 2012 / Article / Tab 2 / Research Article
Meta-Analysis of Randomized Controlled Trials on Androgens versus Erythropoietin for Anaemia of Chronic Kidney Disease: Implications for Developing Countries Table 2 Mean haemoglobin at the end of the trials.
Study or subgroup Androgen Erythropoietin Mean difference
Mean difference Mean SD Total Mean SD Total Weight IV, random, 95% CI
IV, random, 95% CI
Aggarwal et al. [6 ] 7.74 0.61 15 8.7 0.6 15 28.7% −0.96 [−1.39, −0.53]
Gascon et al. [5 ] 11 1.4 14 10.6 0.9 19 21.9% 0.40 [−0.44, 1.24]
Navarro et al. [4 ] 11.8 0.4 13 11.7 0.6 14 29.4% 0.10 [−0.28, 0.48]
Singh et al. [7 ] 12.83 1.04 12 12.6 1.33 12 20.0% 0.23 [−0.73, 1.19] Total (95% CI) 54 60 100.0% −0.11 [−0.80, 0.58]
Heterogeneity: tau2 = 0.38; chi2 = 16.83; df = 3 (P = 0.0008);
= 82%.
Test for overall effect: Z = 0.32 (P = 0.75).