Figure 5.

Funnel plot (with pseudo 95% CIs) of all individual study arms in the meta-analysis of circulating TNF-α for patients with CHF randomized to fish oil or placebo. CHF, chronic heart failure; TNF-α, tumor necrosis factor α; SMD, standardized mean difference; se, standard error; CI, confidence interval.

Xin et al. BMC Cardiovascular Disorders 2012 12:77   doi:10.1186/1471-2261-12-77
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