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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: J Thromb Haemost. 2015 Oct 20;13(11):1980–1988. doi: 10.1111/jth.13143

Table 3. Characteristics based on receipt of immunosuppression.

Clinical Characteristics Immunosuppression Therapy

Yes N=5 No N=59 p-value
Race, White, n (%) 5 (100) 41(69.5) 0.34
Age at start of ITI, years, median (Q1,Q3) 1.1 (0.8,1.8) 3.4 (1.5, 10.3) 0.12
Time from inhibitor onset to start ITI, years, median (Q1,Q3) 1.1 (0.1, 15.6) 0.7 (0.2, 2.7) 0.80
 ≥ 2 years, n (%) 1 (20.0) 13 (22.0) 1.0
Historical peak titer, BU/ml, median (Q1,Q3) 25.9 (3,27) 9.8 (4,34) 0.79
 ≥ 200 BU/ml, n (%) 0 3 (5.1) -
Titer at start ITI, BU/ml, median (Q1,Q3) 2.0 (1.9,4) 2.1 (1,5.5) 0.59
Duration of ITI, years, median (Q1,Q3) 2.2 (1.2, 2.4) 1.1 (0,5.2) 0.39
Peak titer during ITI ≥ 100 BU/ml, n (%) 2 (40) 4 (6.8) 0.07
FVIII recovery level, %, median (Q1,Q3) 79 (75,85) 85 (71,98) 0.63
Tolerance Criteria Met 0.23
 Titer and FVIII recovery only 1 (20) 34 (57.6)
 Titer, FVIII recovery, and half-life 4 (80) 24 (40.7)
Time to relapse, years, median (Q1,Q3) 0.42 (0.39,0.56) 3.8 (1.8,7.0) 0.001