Table 2 Baseline Clinical Characteristics According to PKD Genotypes.

From: Genetic Characteristics of Korean Patients with Autosomal Dominant Polycystic Kidney Disease by Targeted Exome Sequencing

Variables

Total

PKD1-PT

PKD1-ID

PKD1-NT

PKD 2

P value

N (%)

630

371 (59.0)

21 (3.0)

119 (19.0)

119 (19.0)

 

Male, n (%)

304 (48.3)

175 (47.2)

12 (57.1)

68 (57.1)

49 (41.2)

0.975

Age, [mean ± SD]

45.6 ± 12.9

44.2 ± 12.9

45.0 ± 10.6

43.3 ± 12.6

48.9 ± 13.0

0.001

1st visit age, 569, [mean ± SD]

41.9 ± 12.9

40.2 ± 12.9

39.8 ± 10.0

43.3 ± 12.6

45.9 ± 13.0

<0.001

Hypertension, 590, n (%)

451 (71.6)

266 (71.7)

16 (80.0)

88 (77.2)

81 (75.7)

0.969

Hypertension Dx age, 316, [mean ± SD]

38.8 ± 10.0

37.3 ± 10.1

38.6 ± 7.4

39.0 ± 8.9

43.4 ± 10.5

<0.001

ESRD

122 (19.4)

84 (22.6)

4 (19.0)

22 (18.5)

12 (10.1)

0.004

Median age of ESRD

53.6

63.5

72.7

68.8

72.9

<0.001

Death

23 (3.7)

13 (3.5)

1 (4.8)

5 (4.2)

4 (3.4)

0.908

Death age, 23, [mean ± SD]

62.8 ± 13.8

61.4 ± 16.2

63.4

63.9 ± 9.1

65.7 ± 14.6

0.745

htTKV, median [IQR]

781

[432, 1356]

898

[476, 1546]

901

[544, 1271]

609

[397, 1179]

629

[373, 1160]

<0.001

eGFR by CKD-EPI, 620,

[mean ± SD]

65.9 ± 40.0

63.5 ± 42.2

64.7 ± 38.3

66.6 ± 37.8

73.1 ± 33.8

0.052

*Grade, [n(%)]

1A

44 (7.0)

18 (4.9)

1 (4.8)

14 (11.8)

11 (9.2)

<0.001

1B

158 (25.1)

70 (18.9)

2 (9.5)

35 (29.4)

51 (42.9)

1C

206 (32.7)

127 (34.2)

11 (52.4)

36 (30.3)

32 (26.9)

1D

153 (24.3)

99 (26.7)

7 (33.3)

25 (21)

22 (18.5)

1E

69 (11.0)

57 (15.4)

0 (0)

9 (7.6)

3 (2.5)

  1. P for trend by the Jonckheere-Terpstra test.
  2. The eGFR of subjects with dialysis or kidney transplantation was regarded as 15 mL/min/1.73 m2.
  3. Abbreviations. PT, protein-truncating; ID, insertion/deletion; NT, non-truncating, SD, standard deviation; Dx, diagnosis, ESRD, end-stage renal disease; eGFR, estimated glomerular flow rate; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration