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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Stroke. 2016 Nov 10;47(12):3041–3044. doi: 10.1161/STROKEAHA.116.014418

Table 1.

MRI markers in pre-symptomatic and symptomatic mutation carriers versus controls.

MRI markers Controls (N=33) Pre-symptomatic carriers (N=12) Symptomatic carriers (N=15)
Prevalence Median
(25th–75th percentile)
Prevalence Median
(25th–75th percentile)
Prevalence Median
(25th–75th percentile)
Microbleeds 6.7% (2/30) 0 (0 – 0) 18.2% (2/11) 0 (0 – 0) 100% (15/15)** 49 (28 – 118)**
ICHs 0% (0/30) 0 (0 – 0) 9.1% (1/11) 0 (0 – 0) 100% (14/14)** 13 (5 – 27)**
Convexity SAHs 0% (0/30) 0 (0 – 0) 18.2% (2/11) 0 (0 – 0) 50% (7/14)** 0.5 (0 – 2.3)*
Siderosis (%) 0 % (0/30) - 9.1% (1/11) - 93.3% (14/15)** -
Cortical microinfarcts (mean, range) 13.8% (4/29) 0.2 (0 – 2) 30.0% (3/10)* 0.8 (0 – 6) 100% (12/12)** 5 (2 – 13)**
WMHs volume (cm3) - 0.6 (0.2 – 2.2) - 1.4 (0.4 – 6.0)** - 82.4 (50.7 – 133.0)**
DPVS-CSO - 3 (2 – 3) - 3 (2 – 4) - 4 (3 – 4)*
DPVS-BG - 2 (2 – 2) - 2 (2 – 2) - 2 (2 – 2)
Lacunar infarcts 32.3% (10/31) 0 (0 – 1) 27.3% (3/11) 0 (0 – 1) 13.3% (2/15)* 0 (0 – 0)
*

=p<0.05 and

**

=p<0.001; controls vs pre-symptomatic carriers and controls vs symptomatic carriers