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Kaplan-Meier (KM) analysis regarding all-cause mortality with cutoff values of SSS ≤ 13 versus SSS > 13 in AC (A), SSS ≤ 16 versus SSS > 16 in NAC (B), SRS ≤ 6 and SRS > 6 in AC (C) and NAC (D) images. Significant differences between survivor functions were noted between AC SSS ≤ 13 versus AC SSS > 13 (p = 0.011), NAC SSS ≤ 16 and NAC SSS > 16 (p = 0.021) and SRS ≤ 6 and SRS > 6 (p = 0.003 for AC and p<0.001 for NAC).
