Fig. 4From: Effectiveness of rituximab in neuromyelitis optica: a meta-analysisFunnel plot showing the incidence of ARR and EDSS of Patients with NMO after Rituximab Therapy. The funnel plot for studies on the incidence of ARR were generally symmetrical (P = 0.135;95% CI, −3.53 to 0.52) (a). The funnel plot for studies on the incidence of EDSS were symmetrical (P = 0.792; 95% CI, −0.84 to 1.09) (b)Back to article page