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Characteristics of patients, according to percentage of difference of creatinine* at nephrology consultation with respect to basal creatinine |
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| GROUPS OF % CREATININE INCREASE |
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|
|
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| < 101% increment |
≥ 101% increment |
p value |
|
|
|
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| N of patients |
323 |
323 |
|
| Increase of Creatinine, median % (IQR). |
34.07 (66.67) |
201.52 (149.22) |
|
| Age, median years (IQR). |
63 (20) |
62 (17) |
0.36 |
| Male gender (%) |
74.3 |
65.0 |
0.01 |
| Surgical (%) |
24.9 |
24.2 |
0.849 |
| Oncology patients (%) |
36.5 |
34.4 |
0.565 |
| Patients with no previous history of CRF (%) |
61.30 |
91.64 |
< 0.001 |
| Basal Serum Creatinine according to the MDRD |
1.04 (0.19) |
1.04 (0.22) |
0.25 |
| equation, median (mg/dL) (IQR). |
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| Patients with history of CRF (%) |
38.70 |
8.36 |
< 0.001 |
| Basal Serum Creatinine for CRF patients, median |
2.3 (2.2) |
1.5 (0.6) |
< 0.001 |
| mg/dL (IQR), |
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| RIFLE criteria (%) |
< 0.001 |
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| Risk |
35.9 |
0.0 |
|
| Injury |
26.6 |
29.1 |
|
| Failure |
37.5 |
70.9 |
|
| Basal Serum Albumin, median g/dL (IQR), |
2.62 (1.07) |
2.42 (0.86) |
0.072 |
| Basal Hemoglobin, median g/dL (IQR) |
10.70 (3.10) |
10.50 (3.20) |
0.088 |
| Community-acquired Acute Renal Failure (%) |
36.0 |
46.6 |
0.020 |
| Liano scoring, median (IQR) |
0.23 (0.27) |
0.30 (0.44) |
< 0.001 |
| Karnofsky scoring, median (IQR) |
70 (20) |
60 (10) |
0.015 |
| Hypotension (%) |
30.3 |
45.5 |
< 0.001 |
| Oliguria (%) |
31.3 |
50.8 |
< 0.001 |
| Jaundice (%) |
22.0 |
31.3 |
0.008 |
| Coma (%) |
11.8 |
18.0 |
0.027 |
| Conciousness (%) |
80.8 |
76.8 |
0.211 |
| Mechanical ventilation (%) |
18.3 |
28.5 |
0.002 |
| Aminoglycoside use (%) |
12.7 |
17 |
0.121 |
| Radiocontrast procedures (%) |
19.5 |
20.7 |
0.695 |
| Diabetic (%) |
11.1 |
6.5 |
0.037 |
| Nephrotoxicity (%) |
43.0 |
43.7 |
0.874 |
| Causes of Acute Renal Failure |
0.079 |
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| Pre-renal (%) |
77.1 |
72.1 |
|
| Intrinsic renal (%) |
18.9 |
19.2 |
|
| Post-renal (%) |
2.2 |
3.4 |
|
| Other causes (%) |
1.9 |
5.3 |
|
| Subsecuent Treatment of Acute Renal Failure |
< 0.001 |
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| Non-Dialytic (%) |
75.5 |
61.0 |
|
| Intermittent Hemodialysis (%) |
7.1 |
7.7 |
|
| Continuous Replacement Therapy (%) |
11.1 |
22.6 |
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| Both (Intermittent+Continuous) (%) |
6.2 |
8.7 |
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| Prior food intake |
0.024 |
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| Optimal nutrition (%) |
37 |
24 |
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| Light malnutrition (%) |
18.1 |
20.7 |
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| Moderate malnutrition (%) |
23.9 |
30.9 |
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| Severe malnutrition (%) |
21 |
24.4 |
|
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*Creatinine change (%) = [(creatinine at nephrology consultation - Basal creatinine)/Basal creatinine] × 100 IQR: Interquartile range. CRF: Chronic Renal Failure. MDRD: Modification of Diet in Renal Disease | |||
Perez-Valdivieso et al. BMC Nephrology 2007 8:14 doi:10.1186/1471-2369-8-14 |
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