Table 1 Characteristics of included patients

295

273 (92.5)

22 (7.5)

Gender

 Male

241 (81.7)

223 (81.7)

18 (81.8)

 Female

54 (18.3)

50 (18.3)

4 (18.2)

Weight, kg

19 [9.5–31]

20 [10−31.5]

9.5 [6–23]

Age, months

61.9 [10.8−101.4]

64.8 [15.0−103.9]

14.3

[3.0–75.0]

Operation side

 Left

239 (81.0)

224 (82.1)

15 (68.2)

 Right

56 (19.0)

49 (17.9)

7 (31.8)

Symptom

 Yes

135 (45.8)

132 (48.4)

3 (13.6)

 No

160 (54.2)

141 (51.6)

19 (86.4)

History of pre-UTI

 Yes

27 (9.2)

27 (9.9)

0 (0)

 No

268 (90.8)

246 (90.1)

22 (100)

Toilet training status

 Trained

210 (71.2)

200 (73.3)

10 (45.5)

 Untrained

85 (28.8)

73 (26.7)

12 (54.5)

Duration of stent placement, days

30 [28.5–30.5]

29.5 [28.0−31.8]

30.5 [28.5–32.5]

DRF, %

44.0 [37.1–47.6]

43.9

[36.5–47.7]

42.4

[39.1–46.8]

Ultrasound Parameters

 Pre-APD, mm

30 [23–41]

30 [22–42]

33.5 [26–39]

 Cortical thickness, mm

3 [2−3.5]

3 [2−3.5]

2.5 [2−3.5]

Operation time, min

100 [75–125]

100 [75–125]

100 [75–125]

Length of hospital stay, days

10 [7–13]

10 [7–13]

9.5 [8–15]

Blood examinations

 Lymphocytes, 10⁹/L

2.83 [2.02–4.14]

2.92 [2.23–4.23]

1.94 [1.05–2.56]

 Monocytes, 10⁹/L

0.62 [0.47–0.82]

0.62 [0.47–0.81]

0.75 [0.48–0.89]

 Neutrophils, 10⁹/L

4.3 [2.9–6.5]

4.2 [2.8–6.4]

6.6 [5.1–8.6]

 Platelets, 10⁹/L

288 [240–343]

287 [238–335]

320.5 [269–458]

NLR

1.49 [0.86–2.98]

1.39 [0.78–2.60]

3.55 [3.23–4.09]

PLR

96.9 [68.8−144.7]

93.7 [68.0−135.5]

176.0 [142.9−245.2]

SII

402.8 [233.3−907.6]

368.3 [231.7−776.1]

1139.5 [843.7−1773.1]