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Table 1 Participant characteristics

From: Chronic diuretic therapy attenuates renal BOLD magnetic resonance response to an acute furosemide stimulus

Participant characteristics Furosemide naïve Chronic furosemide p-value
(n = 23) (n = 15)
Age (years) 68 ± 8 69 ± 10 0.49
Race    0.28
  White (%) 78 67
  African American (%) 22 33
Gender (% male) 35 40 0.65
Body mass index (kg/m2) 29.4 ± 6.5 30.3 ± 7.1 0.56
GFR (mL/min/1.73 m2) 60.1 ± 31.6 44.6 ± 14.7 0.005*
Renal artery stenosis (mean,%)    
  Left 26 24 0.70
  Right 26 21 0.82
Renal blood flow (mean, ml/min)    
  Left 187 127 0.17
  Right 231 196 0.50
Chronic kidney disease stage (n)    0.01*
Stage 1 (GFR > 90) 5 (22%) 0 (0%)  
Stage 2 (GFR 60-89) 5 (22%) 2 (13%)
Stage 3 (GFR 30-59) 9 (39%) 9 (60%)
Stage 4 (GFR 15-29) 4 (17%) 4 (27%)
Stage 5 (GFR < 15) 0 (0%) 0 (0%)
Hypertension diagnosis (%) 91 100 0.25
Number of antihypertensive meds (n) 2.7 ± 1.6 4.3 ± 1.0 0.0001*
Hemoglobin (g/dL) 12.7 ± 2.3 12.1 ± 1.8 0.25
Diabetes diagnosis (%) 30 60 0.01*
Patients on statin therapy (%) 65 73 0.45
Patients on ACEI’s or ARB’s (%) 65 33 0.006*
  1. Mean ± SE are displayed. GFR glomerular filtration rate, ACEI angiotensin converting enzyme inhibitors, ARB angiotensin receptor blockers. *represents p<0.05.