Document Classification

Section Type: RESULTS

Text: Variables independently associated with these abnormalities were older age [age > or = 60 versus < 40 years : odds ratio (OR), 2. 2 ; 95 % confidence interval (CI), 1. 5-3. 2 ; P < 0. 001], current antihypertensive therapy (OR, 1. 5 ; 95 % CI, 1. 1-1. 9 ; P = 0. 003) and recruitment in Europe (OR, 1. 4 ; 95 % CI, 1. 1-1. 7 ; P = 0. 004) or Asia (OR, 1. 6 ; 95 % CI, 1. 0-2. 6 ; P = 0. 05), both compared with North America.