Table 1 Characteristics of two microarray datasets included in this study.

From: Upregulation of arylsulfatase B in carotid atherosclerosis is associated with symptoms of cerebral embolization

Data set

E-MEXP-2257

GSE21545

Reference

12

13

Technology used

Affymetrix GeneChip HG-U133A

Affymetrix GeneChip HG-U133 Plus 2

Number of transcripts analysed

18,400

47,000

Sample analysed

Carotid plaque biopsies

Carotid plaque biopsies

Number of patients

22

126

Number of symptomatic patients

13 (59%)

25 (20%)

Age (years)

64 ± 8

71 ± 9

Number of females

6 (27%)

28 (22%)

Number of current or previous smokers

6 (27%)

62 (49%)

  1. Age, calendar age at entry-to-study presented as mean ± standard deviation (SD).