Table 1.
Baseline characteristics of patients with AKI and without AKI
| Baseline characteristics | Patients with AKI (n=70) | Patients without AKI (n=50) | p-value |
|---|---|---|---|
| Median Age (Years) | 55 (48±65) | 62 (53±68) | 0.033 |
| Sex | |||
| Male | 45 (64.2) | 38 (76.0) | |
| Female | 25 (35.7) | 12 (24.0) | |
| Type of admission | |||
| Surgical | 30 (42.8) | 20 (40.0) | 0.368 |
| Medical | 40 (57.1) | 30 ( 60.0) | 0.363 |
| Risk factors for AKI | |||
| Preadmission eGFR (ml/min2) | 70 (64-80) | 95(70-100) | <0.001 |
| Sepsis | 45 (64.2) | 15 (30.0) | <0.001 |
| Hypertension | 15 (21.4) | 10 (20.0) | 0.597 |
| Diabetes | 10 (14.2) | 25(50.0) | 0.845 |
| ICU severity score | |||
| SOFA score at admission | 9.5 (6.1±13.1) | 6.3 (4.2±8.6) | <0.001 |
| APACHE II score | 28 (17-39) | 18 (16-24) | <0.001 |
| Organ function at admission | |||
| Mean arterial pressure (mmHg) | 70 (64-84) | 74 (65- 85) | 0.658 |
| Systolic blood pressure (mmHg) | 108 (98-122) | 110 (92-126) | 0.816 |
| Diastolic blood pressure (mmHg) | 58 (52-65) | 60 (52- 66) | 0.853 |
| Heart rate (beats/min) | 80 (60-98) | 75 (65- 80) | 0.345 |
| Mechanical ventilation | 65 (92.8) | 44(88.0) | 0.099 |
| Serum urea (mg/dl) | 50 ±10.71 | 40±8.37 | 0.268 |
| Serum creatinine (mg/dl) | 1.00 ±0.37 | 1.0±0.89 | 0.531 |
| Serum cystatin C (mcg/ml) | 14.07 ±4.80 | 4.28±3.27 | <0.001 |
| eGFR cystatin C (mL/min/1.73m2) | 3.60± 4.64 | 30.54±17.00 | <0.001 |
| RRI | 0.68±0.08 | 0.55±0.06 | 0.189 |
| Urine microalbumin (UACR) (mg/dl) | 4.25 (1.11-10.30) | 2.65 (1.70-3.82) | <0.001 |
| Urinary sodium in mmol/24hr | 20 (18-70) | 92 (46-116) | <0.001 |
| Treatment at admission | |||
| Vaso pressure | 40 (57.1) | 21(42) | 0.015 |
| Patients receiving nephrotoxic drugs | 12 (17.1) | 8(16) | 0.812 |
| Outcome | |||
| Length of stay (days) | 6 (3-16) | 2 (2-4) | <0.001 |