ATP5MK and anemia: Among the PSC, the observed prevalence was significantly greater than the prevalence expected by chance alone for anemia co-occurring with ID by SF (25% vs 20%; P = 0.006), any iron deficiency (33% vs 28%; P = 0.001), elevated AGP (17% vs. 13%; P = 0.017), and any inflammation (18% vs. 14%; P = 0.042).