Skip to main content

Table 1 Comparison of parameters associated with UFNET between world and Japan

From: Ultrafiltration in Japanese critically ill patients with acute kidney injury on renal replacement therapy

 

World (not including Japan)

Japan

p value

Q-1. Criteria used for UFNET initiation, N (%)

(a) Persistent oliguria/anuria (urine output < 0.5 mL/kg/h for ≥ 12 h)

477 (50.9)

38 (26.6)

< 0.001

(b) Severe hypoxemia (PaO2/FIO2 ratio < 150)

134 (14.3)

18 (12.6)

0.586

(c) Pulmonary edema with or without hypoxemia

162 (17.3)

32 (22.4)

0.138

(d) Cumulative fluid balance (> 1000 mL)

51 (5.4)

3 (2.1)

0.088

(e) Fluid overload > 10% of body weight

57 (6.1)

3 (2.1)

0.053

(f) Ongoing need for fluids in the presence of oliguria

57 (6.1)

49 (34.3)

 < 0.001

Total

938

143

 

Q-2. Criteria used for UFNET prescription, N (%)

(a) 24-h fluid balance

148 (14.8)

8 (5.3)

0.001

(b) Cumulative fluid balance

201 (20.1)

29 (19.1)

0.765

(c) Weight gain

48 (4.8)

21 (13.8)

< 0.001

(d) Radiographic features of fluid overload

21 (2.1)

10 (6.6)

0.002

(e) Hemodynamic status (HR, BP, CVP, PPV, dose of vasopressors)

552 (55.3)

82 (53.9)

0.763

(f) Volume of anticipated fluid use in the next 24 h

22 (2.2)

1 (0.7)

0.205

(g) Arterial lactate

7 (0.7)

1 (0.7)

0.953

Total

999

152

 

Q-3. Method used to achieve UFNET using CRRT, N (%)

(a) By varying ultrafiltration rate only

536 (48.6)

77 (54.2)

0.203

(b) By varying replacement fluid rate only

60 (5.4)

20 (14.1)

< 0.001

(c) By varying both ultrafiltration and replacement fluid rate

508 (46.0)

45 (31.7)

0.001

Total

1104

142

 

Q-4. How frequently did you check net fluid balance during CRRT? N (%)

(a) ≤ Every 1 h

409 (35.8)

32 (21.9)

< 0.001

(b) ≤ Every 2 h

511 (44.8)

60 (41.1)

0.398

(c) ≤ Every 4 h

660 (57.8)

89 (61.0)

0.473

(d) ≤ Every 6 h

772 (67.7)

104 (71.2)

0.383

(e) ≤ Every 8 h

884 (77.5)

127 (87.0)

0.009

(f) ≤ Every 12 h

1015 (89.0)

136 (93.2)

0.121

(g) ≤ Every 24 h

1141 (100)

146 (100)

na

  1. Statistical analyses were performed using the Chi-square test or Fisher’s exact test, as appropriate
  2. na not applicable