The concentration of albumin in the plasma or serum was significantly lower in people with clinically-stable CF compared to the non-CF controls (SMD -0.98, 95% CI -1.68 to −0.27, p < 0.01, I2 86%, 6 trials) [[45], [46], [47], [48], [49], [50]]. Here, ALB is linked to cystic fibrosis.