Research Article

Immune Activation and Inflammation in Patients with Cardiovascular Disease Are Associated with Higher Phenylalanine to Tyrosine Ratios: The Ludwigshafen Risk and Cardiovascular Health Study

Table 2

Spearman's rank correlations of investigated characteristics ( ).

Phenylalanine to tyrosine ratio versusSpearman's rank correlations value 
(95% confidence interval)
value

Neopterin0.216 (0.159–0.271)<0.0001
hsCRP0.122 (0.064–0.179)<0.0001
ACS score0.100 (0.042–0.157)0.0005
Age0.098 (0.040–0.156) 0.0007
CAD score0.048 (−0.011–0.106)n.s.
HDL-cholesterol−0.010 (−0.068–0.049)n.s.
Metabolic syndrome score−0.016 (−0.074–0.043)n.s.
Triglycerides−0.034 (−0.092–0.025)n.s.
LDL-cholesterol−0.040 (−0.098–0.019)n.s.
Total cholesterol−0.045 (−0.103–0.014)n.s.
Systolic blood pressure−0.058 (−0.116–0.000)0.0434
Daily smoked cigarettes−0.059 (−0.117–−0.001)0.0412
Diastolic blood pressure−0.110 (−0.167–−0.051)0.0001
BMI−0.135 (−0.192–−0.077)<0.0001
GFR−0.264 (−0.318–−0.209)<0.0001

GFR: glomerular filtration rate, hsCRP: high sensitivity C-reactive protein, and n.s.: not significant; coronary artery disease (CAD) score: 0: no CAD; 1: 11 to 49% stenosis; 2: one vessel disease; 3: two- or three-vessel disease; acute coronary syndrome (ACS) score: 0: no ACS; 1: unstable angina pectoris; 2: NSTEMI; 3: STEMI.