Fig. 3From: 18F-FDG-PET/CT in relapsed multiple myeloma: Are prognostic thresholds different from first-line therapy?Kaplan–Meier analysis of prognostic impact of serum LDH levels and ISS-Stage for OS and PFS. a According to ISS—Stage (OS), b according to ISS—Stage (PFS), c according to LDH, threshold > 250 U/l (OS), d according to LDH, threshold > 250 U/l (PFS)Back to article page