Table 1

Baseline characteristics of the study population* by the use of ASA

ASA use
n%n%p Value
Mean age (SD)74.7 (5.4)77.5 (5.1)<0.001
Education beyond mandatory18834.140310.598
Stroke up to 2000183.32720.9<0.001
NSAID daily use7613.818141.000
Gastric ulcer519.275.40.359
10 year risk of CVD (Framingham %)‡51421.5711622.77.30.062
Mean stroke age1864.214.52771120.102
Cognitive tests
 Naming test5380.060.41270.060.30.663
 Category fluency54221.56.712820.28.20.010
 Word memory5265.221205.51.80.072
  • ASA, acetylsalicylic acid; CVD, cardiovascular disease; MMSE, Mini Mental State Examination; NSAIDs, non-steroidal anti-inflammatory drugs.

  • *Excluding those with dementia diagnosis and warfarin, clopidogrel or heparin use as determined from the baseline study.

  • †Mann-Whitney U tests were stated otherwise Fisher's exact tests.

  • ‡Framingham score is the 10-year risk for general cardiovascular disease calculated for 630 cases with complete data.