Table 3 Patient characteristics by C- reactive protein (CRP) change over 1 year in patients with no acute ischaemic events
CharacteristicsNormal→normalNormal→elevatedElevated→normalElevated→elevatedp Value
Number of subjects (n)3354516363879
Age (years), mean (SD)52.5 (20.7)57.2 (22.5)54.8 (21.3)61.6 (19.9)ANOVA <0.001
Female (%)55.753.359.356.7χ2 <0.397
Total cholesterol (mmol/l), mean (SD)4.9 (1.1)4.7 (1.1)4.9 (1.1)4.7 (1.5)ANOVA 0.636
LDL (mmol/l), mean (SD)3.3 (0.8)2.9 (0.7)2.9 (1.0)3.0 (1.0)ANOVA 0.520
With prior diabetes (%)9.56.97.410.0χ2 0.097
With prior vascular disease (%)24.129.324.036.5χ2 <0.001
With prior cancer (%)6.26.03.69.9χ2 <0.001
Dead within 3 years of CRP observation period (%)1.714.35.917.7χ2 <0.001
Experiencing acute ischaemic event within 3 years of CRP observation (%)0.62.71.43.5χ2 0.001
  • ANOVA, one-way analysis of variance; χ2, chi-square test; LDL, low-density lipoprotein.