Fig. 6From: Report of a phase 1 clinical trial for safety assessment of human placental mesenchymal stem cells therapy in patients with critical limb ischemia (CLI)Efficacy parameters: A Ischemic rest pain score measured by verbal analogue scale: 0 = no pain, 10 = worst pain in patient’s life, P < 0.0001. B Ankle brachial index of the treated limb, P = 0.1228. C Walking distance, P = 0.0017. D Vascular quality of life questionnaire-6, P < 0.0001Back to article page