ALB and cirrhosis of liver: As shown in Fig. 7a–d, low levels of albumin (HR 2.61; 95% CI 1.71–3.97, P < 0.00001; Fig. 7a) and liver cirrhosis (HR 2.91; 95% CI 1.44–5.88, P = 0.003; Fig. 7b) were significantly associated with an inferior OS.