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Table 5 Logistic regression results for relationship between urinary nitrate levels and congestive heart failure stratified by age groups and genders

From: Higher urinary nitrate was associated with lower prevalence of congestive heart failure: results from NHANES

 

Male

Female

Urinary nitratea

20–60

60+

20–60

60+

 Q1

Ref

Ref

Ref

Ref

 Q2

0.829 (0.317, 2.166)

0.531 (0.249, 1.135)

0.344 (0.099, 1.186)

0.807 (0.376, 1.703)

 Q3

0.138 (0.033, 0.582)

0.407 (0.160, 1.033)

0.507 (0.118, 2.171)

0.672 (0.287, 1.573)

 Q4

0.262 (0.074, 0.925)

0.494 (0.214, 1.140)

0.058 (0.006, 0.519)

0.291 (0.099, 0.858)

P for trend

0.008

0.049

0.024

0.053

  1. All models were adjusted by age, gender, race/ethnicity, poverty income ratio, cotinine, BMI, hypertension, hypercholesterolemia and diabetes (poverty income ratio: Q1: ≤ 1, Q2: > 1; cotinine: Q1: ≤ 0.01, Q2: 0.01–10, Q3: > 10; BMI: Q1: < 25; Q2: 25–30; Q3: > 30)
  2. aUrinary nitrate was divided to four levels by quartile (Q1: ≤ 26,100; Q2: 26,100–45,000; Q3: 45,000–70,600; Q4: > 70,600)