The Effects of Continuous Blood Purification for SIRS/MODS Patients: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Table 7

WBC count reduction.

Study or subgroup	CVVH			Control			Mean difference		Mean difference
	Mean	SD	Total	Mean	SD	Total	Weight	IV, fixed, 95%Cl	IV, fixed, 95%Cl
J. Yang and ZH. Yang 2008 [13]	5.56	2.9	30	2.67	2.96	27	53.8%	2.89 (1.37, 4.41)
Zhang et al. 2008 [15]	4.91	3.2	30	2.62	3.3	30	46.25	2.29 (0.65, 3.93)
Total (95%Cl)			60			57	100.0%	2.61 (1.49, 3.73)
Heterogeneity: Chi-square = 0.27, df = 1 (𝑃 = 0.60); 𝐼^2= 0%
Test for overall effect: 𝑍 = 4.58 (𝑃<0.00001)