Table 3 Logistic regression results for relationship between urinary nitrate levels and various cardiovascular diseases
OR (95% CI)a | P for trend | OR (95% CI)b | P for trend | |
|---|---|---|---|---|
Congestive heart failure | ||||
Q1 | Ref | < 0.001 | Ref | < 0.001 |
Q2 | 0.978(0.971, 0.986) | 0.633 (0.403, 0.994) | ||
Q3 | 0.970 (0.964, 0.977) | 0.425 (0.230, 0.783) | ||
Q4 | 0.967 (0.960, 0.973) | 0.375 (0.210, 0.661) | ||
Coronary heart disease | ||||
Q1 | Ref | < 0.001 | Ref | 0.567 |
Q2 | 1.000 (0.992, 1.008) | 0.981 (0.618, 1.555) | ||
Q3 | 0.986 (0.978, 0.993) | 0.632 (0.365, 1.094) | ||
Q4 | 0.983 (0.975, 0.991) | 1.003 (0.586, 1.717) | ||
Angina pectoris | ||||
Q1 | Ref | < 0.001 | Ref | 0.745 |
Q2 | 0.994 (0.988, 1.001) | 0.800 (0.446, 1.437) | ||
Q3 | 0.990 (0.984, 0.996) | 0.462 (0.252, 0.846) | ||
Q4 | 0.989 (0.982, 0.995) | 0.697 (0.372, 1.303) | ||
Myocardial infarction | ||||
Q1 | Ref | < 0.001 | Ref | 0.617 |
Q2 | 0.992 (0.984, 0.983) | 0.785 (0.499, 1.233) | ||
Q3 | 0.984 (0.976, 0.992) | 0.751 (0.437, 1.288) | ||
Q4 | 0.983 (0.975, 0.991) | 0.913 (0.535, 1.558) | ||