ALB and incontinentia pigmenti: Compared with the OP group, the IP group had older age (IP vs. OP: 73.8 ± 13.6 vs. 54.6 ± 17.6 years), lower serum albumin (IP vs. OP: 2.83 ± 0.51 vs. 3.70 ± 0.39 g/dL), and lower hemoglobin levels (IP vs. OP: 10.2 ± 1.6 vs. 11.8 ± 1.9 g/dL).