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Table 2 Relationship between SUA and anemia in different models

From: Association of serum uric acid with anemia in U.S. adults: a cross-sectional study using secondary data

Exposure

Gender = Male

Gender = Female

Total

Crude model

   

Uric acid(mg/dl)

1.19 (1.09, 1.30) < 0.0001

0.98 (0.92, 1.05) 0.5853

1.05 (1.00, 1.10) 0.0597

SUA quartiles

   

Q1

1.0

1.0

1.0

Q2

0.73 (0.46, 1.15) 0.1720

0.68 (0.56, 0.84) 0.0003

0.71 (0.59, 0.85) 0.0002

Q3

0.62 (0.40, 0.94) 0.0264

0.81 (0.65, 1.02) 0.0676

0.75 (0.62, 0.91) 0.0035

Q4

0.93 (0.62, 1.38) 0.7117

1.09 (0.85, 1.40) 0.4767

1.05 (0.86, 1.27) 0.6321

P for trend

1.05 (0.93, 1.18) 0.4528

0.99 (0.92, 1.07) 0.8235

1.01 (0.94, 1.08) 0.8209

Model 1

   

Uric acid(mg/dl)

1.13 (1.03, 1.24) 0.0110

0.96 (0.89, 1.03) 0.2649

0.97 (0.92, 1.03) 0.3009

SUA quartiles

   

Q1

1.0

1.0

1.0

Q2

0.90 (0.54, 1.49) 0.6779

0.68 (0.54, 0.85) 0.0009

0.65 (0.53, 0.80) < 0.0001

Q3

0.70 (0.43, 1.14) 0.1516

0.73 (0.57, 0.95) 0.0178

0.60 (0.48, 0.75) < 0.0001

Q4

0.98 (0.62, 1.55) 0.9298

1.01 (0.76, 1.35) 0.9410

0.78 (0.63, 0.97) 0.0250

P for trend

1.02 (0.90, 1.17) 0.7436

0.96 (0.87, 1.05) 0.3586

0.91 (0.85, 0.98) 0.0141

Model 2

   

Uric acid(mg/dl)

1.12 (1.00, 1.25) 0.0578

1.03 (0.93, 1.13) 0.5971

1.01 (0.94, 1.09) 0.7555

SUA quartiles

   

Q1

1.0

1.0

1.0

Q2

0.97 (0.56, 1.67) 0.9003

0.77 (0.59, 1.00) 0.0534

0.76 (0.60, 0.95) 0.0183

Q3

0.78 (0.46, 1.33) 0.3692

0.92 (0.68, 1.25) 0.6154

0.75 (0.58, 0.96) 0.0215

Q4

1.04 (0.62, 1.75) 0.8795

1.24 (0.85, 1.79) 0.2643

0.91 (0.70, 1.20) 0.5193

P for trend

1.02 (0.87, 1.19) 0.7845

1.04 (0.92, 1.17) 0.5249

0.96 (0.88, 1.05) 0.4195

  1. Crude model: we did not adjust for other covariants
  2. Model 1: adjusted for age, gender, race, academic level, marital status, smoking status, drinking
  3. Model 2: adjusted for age, gender, race, academic level, marital status, BMI, smoking status, drinking, RBC folate, Vitamin B12, total cholesterol, hypertension, diabetes mellitus, congestive heart failure, coronary heart disease, eGFR, white blood cells, platelets, albumin, serum iron