If patients were grouped based on age (arbitrarily 65) fibrosis was significantly higher in patients > 65 (45.4 ± 3.6 vs 63.7 ± 3.7; P = 0.0049) and CD45+ MFI for MoΦ was also significantly higher (928.8 ± 51.9 vs 1161.3 ± 77.1; P = 0.019) (Fig. 3d). Here, PTPRC is linked to fibrosis.