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Table 1 Patient characteristics according to anemia status

From: Anemia and health-related quality of life in South Korea: data from the Korean national health and nutrition examination survey 2008–2016

  Non-anemia (n = 45,827) Anemia (n = 4547) p-value
Age (years) 44.86 ± 0.13 48.92 ± 0.34 < 0.001
Men (yes, %) 52.57(0.24) 18.02(0.72) < 0.001
Height (cm) 164.68 ± 0.06 159.11 ± 0.13 < 0.001
Weight (kg) 64.86 ± 0.08 57.61 ± 0.18 < 0.001
Body mass index (kg/m2) 23.82 ± 0.02 22.74 ± 0.06 < 0.001
Waist circumference (cm) 81.61 ± 0.08 77.65 ± 0.18 < 0.001
Hemoglobin (g/dL) 14.45 ± 0.01 11.09 ± 0.02 < 0.001
BUN (mg/dL) 14 ± 0.03 14.74 ± 0.16 <.0001
Creatinine (mg/dL) 0.85 ± 0 0.85 ± 0.02 0.846
eGFR (mL/min/1.73 m2) 95.61 ± 0.16 94.61 ± 0.48 0.033
Glucose (mg/dL) 97.67 ± 0.14 96.6 ± 0.41 0.012
Ferritina (mg/dL) 61.41(60.48–62.35) 14.72(13.76–15.74) < 0.001
Current smoking (yes, %) 24.22(0.28) 7.03(0.46) < 0.001
Alcohol drinking (yes, %) 60.87(0.31) 42.45(0.92) < 0.001
Regular walking (yes, %) 41.14(0.33) 39.52(0.87) 0.075
Income (Q1) (yes, %) 14.6(0.31) 20.91(0.74) < 0.001
Education > 9 years (yes, %) 73.76(0.36) 66.77(0.88) < 0.001
Urban living (yes, %) 82.45(0.86) 80.28(1.17) 0.005
Spouse (yes, %) 76.96(0.35) 86.43(0.74) < 0.001
DM (yes, %) 8.61(0.16) 11.93(0.58) < 0.001
HTN (yes, %) 25.85(0.29) 26.05(0.78) 0.798
Hypercholesterolemia (yes, %) 13.52(0.2) 10.23(0.51) < 0.001
CKD (yes, %) 1.53(0.06) 8.67(0.48) < 0.001
EQ-5D (mean) 0.95 ± 0.06 0.93 ± 0.24 < 0.001
Total calorie intake (cal/day) 2069.97 ± 7.06 1721.91 ± 14.64 < 0.001
Protein intake (%) 14.78 ± 0.03 14.02 ± 0.08 < 0.001
  1. a Geometric means (95% confidence intervals)
  2. Data are presented as means ± standard errors (SE) or percentages (SE)
  3. The p-values were obtained by chi-square test or student’s t-test
  4. BUN blood urea nitrogen, eGFR estimated glomerular filtration rate, DM diabetes mellitus, HTN hypertension, CKD chronic kidney disease, EQ-5D EuroQol five-dimensional questionnaire