Fig. 1From: The impact of recipient age on the effects of umbilical cord mesenchymal stem cells on HBV-related acute-on-chronic liver failure and liver cirrhosisComparison of the therapeutic effect of UCMSCs between younger liver failure patients and non-liver failure patients among different observation weeks. Group A: liver failure patients (age < 45 years); Group B: liver failure patients (age ≥ 45 years); TBIL total bilirubin. ***p < 0.01, **p < 0.05Back to article page