Research Article

Clinical and Renal Biopsy Findings Predicting Outcome in Renal Thrombotic Microangiopathy: A Large Cohort Study from a Single Institute in China

Table 1

Classification of patients with thrombotic microangiopathy.

Etiologies or associated disordersNumber of patients (%)

Total109
Idiopathic
 D + HUS1 (0.9)
 aHUS7 (6.4)
Secondary
 MHT61 (56.0)
 Pregnancy associated
  Preeclampsia/HELLP5 (4.6)
  HUS9 (8.3)
 Others
  Connective tissue disorders17 (15.6)
  HSCT2 (1.8)
  Castleman’s disease4 (3.7)
  Cryoglobulinemia1 (0.9)
  Glomerulopathy2 (1.8)

Notes: D + HUS: diarrhea positive hemolytic uremic syndrome; aHUS: atypical hemolytic uremic syndrome; MHT: malignant hypertension; HELLP: hemolysis, elevated live enzymes, low platelet count; HSCT: hematopoietic stem cell transplantation.