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. 2013 Jan 24;121(12):2336–2339. doi: 10.1182/blood-2012-09-455089

Table 1.

Stratification by multimer pattern and mutation status, linkage, and type of mutation

Multimer pattern19 Mutation identified n VWFpp,U/dL VWFpp/VWF:Ag FVIII:C/VWF:Ag VWF:RCo/VWF:Ag
IC + AFM Normal No 113 92 (81-108) 1.6 (1.3-1.9) 1.4 (1.1-1.7) 1.1 (0.9-1.2)
Yes 134 81 (64-101) 2.0 (1.5-2.4) 1.7 (1.2-2.3)* 1.0 (0.9-1.2)
Abnormal Yes 150 79 (65-100) 4.3 (2.9-7.0) 1.8 (1.2-2.5) 0.6 (0.3-0.9)
UFM Normal No 255 111 (98-128) 1.2 (1.0-1.5) 1.2 (0.9-1.4) 1.0 (0.8-1.2)
Yes 31 115 (97-132) 1.4 (1.1-1.8) 1.3 (1.1-1.7) 0.9 (0.8-1.2)
Linkage of mutation
 Cosegregation 174 78 (65-99) 3.3 (2.0-5.4) 1.9 (1.3-2.6)§ 0.8 (0.4-1.1)
 No cosegregation 57 80 (63-103) 2.4 (1.6-4.0) 1.6 (1.0-2.0) 1.0 (0.6-1.2)
 P cosegregation vs no cosegregation 0.786 0.048 0.003 0.11
Type of mutation
 Missense mutations 228 89 (73-109) 2.8 (1.8-5.3) 1.6 (1.1-2.1) 0.8 (0.5-1.1)
 “Null” mutations# 20 72 (63-85) 2.0 (1.7-2.4) 2.4 (2.0-2.8) 1.1 (1.0-1.3)
 HC 387 118 (104-136) 1.2 (1.0-1.5) 1.1 (1.0-1.3)** 1.1 (0.9-1.3)
 P missense vs null 0.001 0.007 <0.001 0.001

Results are indicated as median (25th to 75th percentile).

*

n = 133.

n = 149.

Linkage was defined as complete cosegregation (pedigrees with no phenocopies and fully penetrant) or incomplete cosegregation (pedigrees with either phenocopies or nonpenetrance).14

§

n = 173.

n = 56.

n = 227.

#

Comprise premature stop codons caused by nonsense mutations, frame shifts (small deletions and insertions), and out-of-frame splice site mutations.

**

n = 385.