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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2012 Sep;64(9):1328–1333. doi: 10.1002/acr.21691

Table 3.

Prevalence of risk factors and events in patients with mild-moderate and severe cognitive impairment.

Mild-Moderate
Cognitive Impairment
(n=76)		 Severe Cognitive
Impairment (n=31)		 P
Antiphospholipid
antibodies, n (%)		 40 (52.6) 17 (54.8) 0.836
Hypertension, n
(%)		 51 (67.1) 25 (80.6) 0.161
Stroke, n (%) 11 (14.5) 10 (32.3) 0.036
*

Mild-Moderate impairment group represents z-scores less than or equal to −1.0 but greater than −2.0, while severe cognitive impairment group represents z-scores less than or equal to −2.0.