Conversely, IL-8 levels were higher in the IP group than in both the P group (MD = 138 pg/ml, CI: 195–81, p < 0.001) and the SP group (MD = 91 pg/ml, CI: 27–154, p = 0.002), as detailed in Figure 3. Here, CXCL8 is linked to incontinentia pigmenti.