Table 1 General information of patients with different catheter placement methods

N

157

111

23

23

Age(years)

47.1 ± 15.1

47.6 ± 15.1

46.5 ± 17.2

45.3 ± 13.1

Gender

 Female

67 (42.7 %)

48 (43.2 %)

11 (47.8 %)

8 (34.8 %)

 Male

90 (57.3 %)

63 (56.8 %)

12 (52.2 %)

15 (65.2 %)

BMI (kg/m2)

22.2 ± 3.2

22.2 ± 3.1

22.6 ± 4.3

21.4 ± 2.5

Systolic pressure(mmHg)

157.4 ± 25.3

155.9 ± 24.6

159.5 ± 27.8

162.4 ± 26.0

Diastolic pressure (mmHg)

91.0 ± 16.0

89.6 ± 15.2

92.8 ± 18.3

95.6 ± 17.2

History of diabetes mellitus

22 (14.0 %)

12 (10.8 %)

4 (17.4 %)

6 (26.1 %)

History of hypertension

142 (90.4 %)

101 (91.0 %)

23 (100.0 %)

18 (78.3 %)

History of glomerulonephritis

107 (68.2 %)

72 (64.9 %)

18 (78.3 %)

17 (73.9 %)

History of ischemic heart disease

16 (10.2 %)

8 (7.2 %)

3 (13.0 %)

5 (21.7 %)

History of abdominal and pelvic surgery

32 (20.4 %)

22 (19.8 %)

1 (4.3 %)

9 (39.1 %)

Laboratory indexes

Hemoglobin (g/L)

82.8 ± 14.9

83.8 ± 14.6

81.3 ± 12.6

79.5 ± 18.4

Albumin (g/L)

34.6 ± 4.3

35.0 ± 4.1

33.3 ± 4.3

34.4 ± 5.4

Urea nitrogen (mmol/L)

30.2 ± 10.2

29.7 ± 9.8

29.6 ± 12.7

33.2 ± 9.7

Creatinine (µmol/L)

864.4 ± 284.3

850.2 ± 265.8

879.2 ± 329.6

918.4 ± 327.1

Duration of catheter placement procedure (min)

83.7 ± 30.6

95.0 ± 28.6

51.0 ± 11.7

62.0 ± 12.8

Complications within 1 month

48 (31.0 %)

32 (29.1 %)

12 (52.2 %)

4 (18.2 %)

Abdominal infection

5 (3.2 %)

3 (2.7 %)

1 (4.3 %)

1 (4.5 %)

Catheter-related complications

45 (29.0 %)

31 (28.2 %)

11 (47.8 %)

3 (13.6 %)

Catheter migration

41 (26.5 %)

30 (27.3 %)

9 (39.1 %)

2 (9.1 %)

Pericatheter leaks

6 (3.9 %)

4 (3.6 %)

2 (8.7 %)

0 (0.0 %)

Catheter blockage

4 (2.6 %)

3 (2.7 %)

0 (0.0 %)

1 (4.5 %)

Tunnel infection

3 (1.9 %)

1 (0.9 %)

1 (4.3 %)

1 (4.5 %)