Table 6.

Association between RBC transfusion on the day of grade 2A bleeding and grade ≥2A bleeding the following day, within hematocrit subgroups, taking into account within-person correlation

Hematocrit categoryDays with hematocrit data on day of grade 2A bleedingDays with RBC transfusion on the day of grade 2A bleedingNext day bleeding grade ≥2A after days with RBC transfusionDays without RBC transfusion on the day of grade 2A bleedingNext day bleeding grade ≥2A after days without RBC transfusionOR*95% CIP
%No.%No.%No.%No.
All hematocrit values21814552127661172679959561.200.98-1.47.08
 ≤25524296561826122844144631.020.74-1.41.91
 25-29104912312705792688513551.030.71-1.49.88
 >29585305196355595296531.790.81-3.96.15
  • The interaction between the three hematocrit categories and RBC transfusion was not significant (P = .60).

  • * Comparing RBC transfusion to no RBC transfusion.

  • Twenty-three days had missing hematocrit and are not included in the rows below.