Table 2.

Factors associated with kidney function

	Total (n = 34)	Mean eGFR (mL/min/1.73 m2)	p-value
Race
Caucasian	18	76.19	0.97
Black	10	78.83
Other	6	80.63
Gestational age (weeks)
28–31 + 6	3	106.84	0.56
32–36 + 6	14	70.96
≥37	17	78.21
Invasive ventilation in newborn period
No	20	95.50	0.05
Yes	14	56.53
Ultrasound findings—prenatal
Hydroureter	31	74.32 (113.18)	0.09
Oligohydramnios	15	64.53 (88.18)	0.14
Parenchymal changes	16	72.89 (82.07)	0.84
Bladder changes	22	80.05 (73.53)	0.56
Ultrasound findings—postnatal
Hydroureter	28/33	83.00 (63.91)	0.50
Parenchyma echogenic	27/30	79.38 (87.06)	0.97
Parenchyma thin	20/28	78.86 (86.54)	0.88
Ultrasound findings—1 year of age
Hydroureter	22/30	84.41 (90.01)	0.62
Parenchyma echogenic	22/30	82.85 (94.30)	0.81
Parenchyma thin	19/30	76.02 (102.98)	0.12
Nadir creatinine in 1st year of life (mg/dL)
<1	29	91.15	<0.001
≥1	5	0
VUR
None	7	85.81	0.70
Unilateral	10	83.34
Bilateral	17	71.14
Nephrostomy tube, ureterostomy, or vesicostomy	11	57.12 (87.61)	0.04