High ADAMTS13 activity ≥77%. Bolded text signifies the values that were statistically significant at the P<0.05 level. “Yes” or “no” indicates whether hematologic outcomes were present or absent.

Abbreviations: ADAMTS13, a disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13; CI, confidence interval; OR, odds ratio.