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. Author manuscript; available in PMC: 2017 Jan 13.
Published in final edited form as: Neurodegener Dis. 2016 Jan 13;16(3-4):218–224. doi: 10.1159/000441919

Table 2.

Group demographics for the sample.

CAA− /
NP−
n=257
CAA− /
NP+
n=651
CAA+ /
NP−
n=37
CAA+ /
NP+
n=469
Number of
missing
values
sig
Age at
Enrollment, y
83.9 (8.6) 80.7 (8.4) 85.6 (7.5) 79.5 (8.2) 0 F(3,1410)=18.
9, p<0.001
Age at Death, y 87.0 (8.8) 84.0 (8.3) 90.0 (7.5) 83.0 (8.1) 0 F(3,1410)=17.
8, p<0.001
Female, n(%) 132
(51.4)
308
(47.3)
18 (48.7) 212 (45.2) 0 X2(3)=2.6,
p=0.47
Education, y 15.1 (3.3) 15.2 (3.1) 15.1 (2.8) 14.9 (3.3) 10 F(3,1401)=0.8
, p=0.48
Race, n(%) 0
  White 246
(95.7)
621
(95.4)
32 (86.5) 444 (94.7) -- X2(3)=6.2,
p=0.10
  Black 6 (2.3) 24 (3.7) 3 (8.1) 20 (4.3) --
  Other 5 (2.0) 6 (0.9) 2 (5.4) 5 (1.0) --
Hispanic
Ethnicity, n(%)
12 (4.7) 23 (3.5) 1 (2.7) 20 (4.3) 5 X2(3)=0.9,
p=0.82
Hypertension,
n(%)
146
(57.5)
320
(49.2)
21 (56.8) 217 (46.4) 4 X2(3)=9.0,
p=0.03
Hypercholesterole
mia, n(%)
115
(45.1)
284
(43.9)
22 (61.1) 215 (46.2) 10 X2(3)=4.3,
p=0.23
ApoE4 Carrier,
n(%)
43 (18.6) 274
(49.4)
17 (54.8) 277 (69.1) 195 X2(3)=150.6,
p<0.001
CAA
Classification at
autopsy, n(%)
0
  None,
Unknown
185
(72.0)
280
(43.0)
-- -- --
  Mild 72 (28.0) 371
(57.0)
-- -- --
  Moderate -- -- 31 (83.8) 282 (60.1) --
  Severe -- -- 6 (16.2) 187 (39.9) --
CERAD neuritic
plaque density,
n(%)
0
  None 159
(61.9)
-- 14 (37.8) -- --
  Sparse 98 (38.1) -- 23 (62.2) -- --
  Moderate -- 194
(29.8)
-- 86 (18.3) --
  Frequent -- 457
(70.2)
-- 383 (81.7) --

Values are frequencies or means (standard deviation), except when noted.