Fig. 2From: Clinical course of 63 patients with neonatal onset urea cycle disorders in the years 2001–2013 a Kaplan Meier plot of the time (shown in days of life of the patients) to first occurrence of ammonia ≥ 500 μmol/L during or after the initial crisis in all patients. This figure includes all 12 patients that died during the initial crisis. b Kaplan Maier plot of the time (shown in days of life of the patients) to first occurrence of ammonia ≥ 500 μmol/L, separated by the three groups of patients (ASSD, CPS1D, OTCD)Back to article page