Table 1 Demographic characteristics
From: A low BUN/creatinine ratio predicts histologically confirmed acute interstitial nephritis
Variable | All n = 42 | AIN | No AIN | p |
|---|---|---|---|---|
n = 19 | n = 23 | |||
Gender | ||||
male | 21 | 11 | 10 | 0.3 |
female | 21 | 8 | 13 | |
Age (years) | 44 (± 19) | 45 (25–53) | 40 (29–53) | 0.3 |
Hypertension | 14 (33%) | 7 (37%) | 7 (30%) | 0.6 |
Diabetes | 7 (16%) | 4 (21%) | 3 (13%) | 0.48 |
BCR | 15.8 (± 9.3) | 11.2 (± 3.8) | 21.4 (± 8.7) | 0.023 |
Creatinine (mg/dl) | 5.05 (± 5.2) | 6.6 (3–9.7) | 3.5 (0.71–4) | 0.007 |
BUN (mg/dl) | 51.3 (± 36.1) | 62 (38–88) | 40 (13–68) | 0.037 |
Glucose (mg/dl) | 119 (± 102) | 99 (77–116) | 137 (131–140) | 0.02 |
Hemoglobin (g/dl) | 12.09 (± 3.16) | 11.6 (± 3.1) | 12.5 (± 3.2) | 0.78 |
WBC (cells × 103) | 7.4 (± 2.75) | 8.0 (± 2.9) | 6.8 (± 2.5) | 0.37 |
Sodium (mmol/l) | 135 (± 9.9) | 132 (± 11.5) | 137 (± 7.8) | 0.34 |
Potassium (mmol/l) | 4.4 (± 0.66) | 4.4 (± 0.78) | 4.5 (± 0.5) | 0.6 |
Phosphorus (mg/dl) | 5.4 (± 2.55) | 6 (3–8.2) | 4.6 (3.4–4.3) | 0.14 |
Chlorine (mmol/l) | 100 (± 10.6) | 100 (± 13) | 100 (± 7.5) | 0.28 |
Magnesium (mg/dl) | 2.1 (± 0.39) | 2.1 (± 0.4) | 2.1 (± 0.3) | 0.36 |
BCR BUN to creatinine ratio, BUN Blood ureic nitrogen, WBC White blood cells | ||||