IGHE and acute kidney injury: The results of the univariate Cox regression analysis showed that in the high-IgE group (HR = 0.516, CI = 0.4–1.187, P = 0.014), SD (Reference = SS; HR = 0.643, 95% CI = 0.431–0.959, P = 0.03), SR (Reference = SS; HR = 0.162, 95% CI = 0.077–0.342, P < 0.01), AKI (HR = 0.399, 95% CI = 0.162–0.981; P = 0.045), and eosinophils count (HR = 4.58, 95% CI = 1.19–7.634, P = 0.027) were associated with the first CR.