Table 1 Patient characteristics.

From: Early childhood height-adjusted total kidney volume as a risk marker of kidney survival in ARPKD

 

Total (n = 456)

Clinical information

Sex, n (%)

 Male

230/456 (50%)

 Female

226/456 (50%)

Last available CKD stage, n (%)

 G1

102/446 (23%)

 G2

95/446 (21%)

 G3

92/446 (21%)

 G4

37/446 (8%)

 G5 without KRT

19/446 (4%)

 G5 with KRT

101/446 (23%)

Age at first visit (yrs), n

456

 Median (IQR)

1.7 (0.2–7.4)

Age at last visit (yrs), n

456

 Median (IQR)

8.2 (3.6–14.6)

Number of visits, n

456

 Median (IQR)

3.0 (2.0–7.0)

Follow-up time, n

456

 Median (IQR)

2.3 (0.4–7.3)

Age at initial diagnosis (yrs), n

418

 Median (IQR)

0.3 (0.1–1.6)

Gestational age at birth (weeks), n

341

 Median (IQR)

38.0 (36.0–39.0)

Perinatal assisted breathing, n (%)

94/402 (23%)

Patients with documented nephrectomies, n (%)

45/456 (10%)

Age at first or bilateral nephrectomy (yrs), n

45

 Median (IQR)

1.1 (0.1–5.6)

Genetic information

Genetic confirmation, n (%)

 No PKHD1 testing, no PKHD1 variant detected

260/456 (57%)

 ARPKD genetically confirmed

116/456 (25%)

 ARPKD genetically probable

35/456 (8%)

 ARPKD genetically unknown

45/456 (10%)

Functional PKHD1 variant classifications, n (%)

 Null/null

11/196 (6%)

 Null/missense

50/196 (26%)

 Missense/missense

85/196 (43%)

 Others

24/196 (12%)

 Single variant

26/196 (13%)

  1. Percentages have been rounded to whole numbers. Months (mo), years (yrs).