Variables affecting adolescent renal function in patients born with vesico-ureteric reflux

Peer review under responsibility of Arab Association of Urology.

Figures & data

Table 1 The general characteristics of the patients.

Variable (n)	Mean (SD, range), or n (%)
Age, years (61)	19.7 (1.68, 18–24)
Birth weight, kg (61)	2.56 (0.87, 1–4)
Gestational age, days (60)	35.3 (4.1, 25–41)
Gender
Male	20 (32.8)
Female	41 (67.2)
VUR
Degree of VUR
Left kidney
0	14 (23)
1	2 (3)
2	8 (13)
3	19 (31)
4	15 (25)
5	3 (5)
Right kidney
0	19 (31)
1	3 (5)
2	6 (10)
3	17 (28)
4	12 (20)
5	4 (7)

Table 2 Tests of between-subjects effects by regression with the dependent variable of systolic BP or kidney volume and the parameter estimates of regression analysis.

Variable	BP			Kidney volume
	Regression P	B (SE)	95% CI	Regression P
Corrected model	0.248^⁎			0.091^†
Intercept	0.002	221.2 (65.25)	88.99–353.42	0.011
Age	0.658	0.418 (0.938)	−1.48–2.32	0.394
Weight at birth	0.001	23.25 (6.69)	9.69–36.8	0.332
Gestational age	0.002	−4.89 (1.43)	−7.78 to −1.99	0.388
Current weight	0.151	0.324 (0.22)	−0.124–0.773	0.568
Current height	0.913	−0.031 (0.284)	−0.607–0.544	0.740
Febrile UTI	0.442	−2.93 (3.77)	–10.58–4.71	0.456
VUR left	0.259	−1.33 (1.16)	−3.69–1.02	0.013
VUR right	0.530	−0.729 (1.15)	−3.06–1.60	0.353
DMSA right	0.637	0.077 (0.161)	−0.250–0.403	0.134
DMSA left	0.838	0.034 (0.167)	−0.305–0.374	0.528
Kidney volume
Right	0.386	–0.101 (0.115)	−0.333–0.132	–
Left	0.483	0.092 (0.129)	−0.170–0.353	–
Creatinine	0.117	−8.29 (5.17)	−18.77–2.18	0.468
CrCl	0.213	0.083 (0.065)	−0.050–0.216	0.914
GFR	0.105	−8.16 (4.91)	−18.12–1.794	0.264
FeNa	0.918	−0.799 (7.73)	−16.46–14.87	0.526
a1-Globulin	0.427	0.549 (0.684)	−0.837–1.94	0.633
b2-Microglobulin	0.268	6.14 (5.47)	−4.93–17.23	0.720
Cystatin C	0.055	−15.05 (7.60)	−30.45–0.359	0.578
Microleukocyturia	0.111	−0.156 (0.095)	−0.349–0.037	–
Leukocyturia	0.177	0.667 (0.485)	−0.315–1.65	0.074
Gender	0.558	3.48 (5.89)	−8.45–15.40	–
Systolic BP				0.844

⁎ r² = 0.432.

† 0.439.