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Table 1 Demographic and clinical characteristics of study subjects with normal serum creatinine (n = 414)

From: Estimation of renal function in adult outpatients with normal serum creatinine

Characteristics 
Age (year), mean ± SD48.9 ± 17
Age group, n (%)
 18–3084 (20.3)
 31–4071 (17.1)
 41–5069 (16.7)
 51–6079 (19.1)
 > 60111 (26.8)
Sex, n (%)
 Male216 (52.2)
 Female198 (47.8)
Education, n (%)
 < High school292 (70.5)
 ≥ High school122 (29.5)
Family history, n (%)
 Kidney disease42 (10.1)
 Hypertension, diabetes or CVD90 (21.7)
Medical history, n (%)
 Diabetes83 (20.0)
 Hypertension89 (21.5)
 Cardiovascular disease32 (7.7)
 HIV29 (7.0)
Current smoker, n (%)23 (5.6)
Body mass index (Kg/m2), mean ± SD21.82 ± 2.56
Systolic BP (mmHg), mean ± SD124 ± 12
Diastolic BP (mmHg), mean ± SD79 ± 10
Serum creatinine (mg/dl), mean ± SD0.88 ± 0.26
eGFRMDRD (ml/min/1.73 m2), mean ± SD)116.8 ± 43.5
eGFRC–G (ml/min/1.73 m2), mean ± SD90.5 ± 33.1
  1. BP blood pressure, CVD cardiovascular disease, eGFR estimated glomerular filtration rate
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