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Table 1 Comparison of clinical and pathological patient’s characteristics between low (<8.3%) and high (≥8.3%) ACI

From: Aortic calcification burden predicts deterioration of renal function after radical nephrectomy

 

non-CKD

 

pre-CKD

 
 

low ACI

high ACI

P value

low ACI

high ACI

P value

n

40

36

 

13

20

 

Age, years

57 (44–63)

67 (62–75)

<0.001

62 (53–71)

76 (74–79)

<0.001

Sex (Male)

26 (65%)

26 (72%)

0.499

9 (69%)

13 (65%)

1.000

Comorbidities

 Hypertension

9 (23%)

11 (31%)

0.426

1 (8%)

9 (45%)

0.050

 Diabetes

3 (8%)

7 (19%)

0.177

1 (8%)

3 (15%)

1.000

 Cardiovascular disease

2 (5%)

2 (6%)

1.000

0 (0%)

1 (5%)

1.000

 Preoperative eGFR

77 (68–87)

74 (67–84)

0.202

50 (42–54)

42 (33–55)

0.152

 ACI (%)

0.8 (0.0–5.8)

18 (14–27)

<0.001

0.8 (0.0–3.3)

18 (16–44)

<0.001

Tumor stage

 T1/2/3/4

25/6/7/2

23/3/10/0

0.394

7/4/2/0

13/3/3/1

0.810

Pathological subtype

  

0.277

  

1.000

 Clear cell

35 (88%)

35 (97%)

 

12 (92%)

18 (90%)

 

 Papillary

1 (2.5%)

1 (3%)

 

1 (8%)

1 (5%)

 

 Chromophobe

1 (2.5%)

0 (0%)

 

0 (0%)

1 (5%)

 

 Others

3 (7.5%)

0 (0%)

 

0 (0%)

0 (0%)

 

 Distant metastasis

6 (15%)

3 (8%)

0.494

2 (15%)

3 (15%)

1.000

 Tumor recurrence

9 (23%)

5 (14%)

0.334

2 (15%)

2 (10%)

1.000

  1. Median and interquartile range (Q1, Q3) was used for consecutive variables. ACI aortic calcification index, eGFR estimated glomerular filtration rate