Fig. 2

Progression free survival according to age and treatment period (group A: < 65 ys 2005–2008 received intrathecal liposomal Ara C; group B: < 65 ys 2009–2013 received intraventricular therapy via Ommaya reservoir [25/26 patients]; group C: ≥ 65 ys 2005–2008 received intrathecal liposomal Ara C; group D: ≥ 65 ys 2009–2013 received no intrathecal therapy [27/35 patients])