Prevalence and outcome of acute kidney injury, as defined by the new Kidney Disease Improving Global Outcomes guideline, in very low birth weight infants

Table 1 Characteristics of the 293 studied infants, n (%) unless stated otherwise

Males	142 (48)
Birth weight (g): median (range)	1130 (450-1860)
Gestational age (mean, SD)	28.7 (2.8)
Mode of delivery
Vaginal delivery	53 (18)
Cesarean section	240 (82)
Maternal steroids	217 (74)
Intraventricular hemorrhage
Grade 1	16 (5)
Grade 2	10 (3)
Grade 3	13 (5)
Grade 4	16 (5)
Periventricular leukomalacia	12 (4)
Necrotizing enterocolitis	30 (10)
Patent ductus arteriosus
Tiny	34 (11)
Moderate	39 (13)
Large	25 (8)
Sepsis
Clinical sepsis	61 (21)
Sepsis with normotension	24 (8)
Sepsis with hypotension	26 (9)
Duration of mechanical ventilation (d): median (range)	3 (1-410)
Surgery required	22 (7)
Inotrope use	59 (20)
Ibuprofen use	63 (21)
Vancomycin use	84 (29)
Gentamycin use	203 (69)
Post natal Steroids use	38 (13)
Umbilical arterial catheter use	158 (54)
Oliguria
< 0.5 mL/kg per hour for 6 h	3 (1)
< 0.3 mL/kg per hour for 24 h	10 (3)
Hypotension	58 (20)
Normal saline intravenous bolus	50 (17)
Furosemide	12 (4)
Duration of hospital stay (d): median (range)	49 (1-480)
Acute kidney injury
Stage 1	6 (2)
Stage 2	12 (4)
Stage 3	16 (5)
Mortality	46 (17)