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Table 1 Baseline characteristics of the study participants (N = 13)

From: Moderate- to vigorous-intensity physical activities for hemophilia A patients during low-dose pharmacokinetic-guided extended half-life factor VIII prophylaxis

Patient characteristics

Statistical values

No. of participants, N

13

Age in years, mean (SD)

20.1 (6.8)

Natural baseline FVIII:C levels, n (%)

 

• < 1 IU/dL

8 (61.5)

• 1–3 IU/dL

5 (38.5)

ABR while using low-dose PK-guided EHL FVIII prophylaxis before study inclusion, bleeds/year

 

• Mean (SD)

9.5 (7.1)

• Median (IQR)

10 (3–14)

AJBR while using low-dose PK-guided EHL FVIII prophylaxis before study inclusion, joint bleeds/year

 

• Mean (SD)

6.7 (7.3)

• Median (IQR)

4 (0–12)

HJHS while using low-dose PK-guided EHL FVIII prophylaxis before study inclusion, marks

 

• Mean (SD)

16.5 (12.3)

• Median (IQR)

14 (10–24)

No. of target joint(s), n (%)

 

• None

3 (23.1)

• 1 joint

1 (7.7)

• 2 joints

2 (15.4)

• 3 joints

7 (53.8)

Annualized FVIII consumption while using low-dose PK-guided EHL FVIII prophylaxis before study inclusion, IU/kg/year

 

• Mean (SD)

1581.5 (430.6)

• Median (IQR)

1724.8 (1235.4–1778.5)

  1. Abbreviations: ABR, annualized bleeding rate; AJBR, annualized joint bleeding rate; EHL, extended half-life; FVIII, factor VIII; FVIII:C, factor VIII coagulant activity; HJHS, Hemophilia Joint Health Score; IQR, interquartile range; IU, international unit; PK, pharmacokinetic; SD, standard deviation.