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. Author manuscript; available in PMC: 2025 Mar 10.
Published in final edited form as: J Thromb Haemost. 2022 Apr 6;20(7):1576–1588. doi: 10.1111/jth.15713

TABLE 4.

Summary of subject demographic and clinical characteristics

AFM UFM OC
No. Subjects 77 42 68
No. Females (%) 42 (54) 27 (64) 37 (54)
Mean Age (range) 33 (0–75) 44 (3–87) 43 (0–81)
No. Pediatric <18 (%) 20 (26) 5 (12) 6 (9)
Median bleeding score (range) 1 (0–46) 1 (0–9) 1 (0–11)
No. Blood Group O (%)a 44 (59%) 9 (20%) 30 (44%)
Mean FVIII (range)b 56 (2–149) 122 (71–200) 86 (21–174)
Mean VWF:Ag (range)b 27 (<1–81) 89 (56–211) 48 (12–155)
Mean VWF:RCo (range)b 31 (<1–83) 88 (57–201) 47 (13–160)

Note: Central Factor VIII activity (FVIII), VWF antigen (VWF:Ag), VWF ristocetin cofactor activity (VWF:RCo) and bleeding score obtained at study entry.

Abbreviations: AFM, affected family members; OC, obligate carriers; UFM, unaffected family members (UFM).

a

Subjects who were too young or unable to obtain blood type were excluded.

b

Eight type 3 treated subjects were excluded from the mean and range determinations.