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Table 1 Baseline characteristics

From: Dietary salt reduction in rural patients with albuminurea using family and community support: the Mima study

Variables Intervention group
(n = 14)
Control group
(n = 22)
P valuea
Sex (male/female) 11/3 9/13 0.041
Age (y) 69.0 ± 11.0 75.1 ± 7.2 0.111
Body Mass Index (kg/m2) 24.1 ± 3.1 24.9 ± 3.8 0.417
Systolic blood pressure (mmHg) 145.1 ± 13.9 134.9 ± 13.1 0.041
Diastolic blood pressure (mmHg) 67.1 ± 8.3 66.4 ± 12.2 0.733
HbA1C (%) 6.7 ± 1.8 5.1 ± 0.4 <0.001
BUN (mg/dL) 15.2 ± 3.3 18.9 ± 6.6 0.149
Cr (mg/dL) 0.8 ± 0.2 1.0 ± 0.4 0.745
ACR (mg/gCr) 706.1 ± 1082.1 212.5 ± 322.5 0.427
eGFRb (mL/min/1.73 m2) 71.6 ± 23.4 59.6 ± 23.3 0.173
Stage of chronic kidney disease    
   Stage 1: eGFRb >= 90 2 (14.3) 3 (13.6)  
   Stage 2: 60~89 7 (50.0) 10 (45.5)  
   Stage 3: 30~59 5 (35.7) 5 (22.7)  
   Stage 4: 15~29 0 (0.0) 4 (18.2)  
   Stage 5: <15 0 (0.0) 0 (0.0) 0.376
Antihypertensive drugs    
   Any antihypertensive drugs 11 (78.6) 19 (86.4) 0.541
Rennin-angiotensin system blocking drugs 11 (78.6) 15 (68.2) 0.497
Dietary salt intakec (g/day) 12.0 ± 3.5 - -
  1. Abbreviation: HbA1C, glycosylated hemoglobin; BUN, blood urea nitrogen; Cr, serum creatinine; ACR, urine albumin-creatinine ratio; eGFR, estimated glomerular filtration rate
  2. Data are mean ± SD or n (%).
  3. aP value were calculated by Mann-Whitney U-test and Chi-square test if categorical variables were used.
  4. bCalculated using eGFR equation for Japanese, eGFR = 194 × Cr-1.094 × Age-0.287 (× 0.739, if female) [7].
  5. cOnly subjects in intervention group were examined by dieticians using Food Frequency Questionnaire.