Table 3 Univariate and multivariate regression for prognostic factors

Female

1.808(0.951–3.438)

0.592

3.267

0.071

2.405(1.041–5.556)

0.878

4.223

0.040

Age ≥ 65 years

2.502(1.297–4.825)

0.917

7.492

0.006

Weight <63 (kg)

1.124(0.541–2.337)

0.117

0.098

0.755

Map <70 mmHg

2.497(0.921–4.807)

0.744

3.110

0.078

norepinephrine≥0.1μg/kg/min

2.004(1.311–4.756)

0.915

7.753

0.005

3.005(1.326–6.809)

1.100

6.949

0.008

AST ≥ 127(U/L)

0.76(0.413–1.4)

−0.274

0.774

0.379

ALT≥102(U/L)

0.566(0.305–1.05)

−0.568

3.255

0.071

Tbil <171umol/L

2.159

0.34

Tbil 171-342umol/L

0.895(0.432–1.851)

−0.111

0.09

0.764

Tbil >342umol/L

1.744(0.755–4.030)

0.556

1.696

0.193

PT ≥ 18 s

1.766(0.952–3.274)

0.568

3.255

0.071

APPT≥44 s

1.45(0.786–2.676)

0.372

1.413

0.234

INR < 1.9

8.478

0.014

20.321

< 0.001

INR 1.9–2.6

2.029(0.974–4.228)

0.708

3.57

0.059

5.770(2.030–16.400)

1.753

10.813

0.001

INR > 2.6

3.142(1.354–7.285)

1.144

7.104

0.008

14.891(4.237–52.336)

2.701

17.737

< 0.001

PLT <46*10^9/L

1.599(0.865–2.958)

0.47

2.242

0.134

CRP ≥ 53.26(mg/L)

0.824(0.447–1.517)

−0.194

0.387

0.534

Alb < 33(g/L)

1.016(0.553–1.868)

0.016

0.003

0.959

tCa ≥ 2.3 mmol/L

1.490(0.791–2.806)

0.399

1.524

0.217

Scr ≥ 168umol/L

1.542(0.838–2.855)

0.436

1.942

0.163

BUN≥15 mmol/L

1.255(0.681–2.311)

0.227

0.529

0.467

PH ≥ 7.43

1.821(0.983–3.371)

0.599

3.631

0.057

PO2 <80 mmHg

3.005(1.308–6.905)

1.1

6.722

0.01

3.971(1.341–11.757)

1.373

6.199

0.013

Lactate≥4(mmol/L)

1.203(0.533–2.716)

0.185

0.198

0.656

PCO2 ≥ 35 mmHg

0.732(0.395–1.357)

− 0.312

0.982

0.322

Citrate concentration = 1.5 mmol/L

7.842

0.049

13.060

0.005

Citrate concentration 1.6-2 mmol/L

1.615(0.368–7.096)

0.48

0.403

0.346

5.715(0.813–40.151)

1.743

3.071

0.080

Citrate concentration 2.1–2.9 mmol/L

3(0.736–12.227)

1.099

2.349

0.088

14.892(2.167–102.35)

2.701

7.541

0.006

Citrate concentration ≥ 3 mmol/L

4.21(1.162–15.256)

1.438

4.79

0.025

19.183(3.209–114.678)

2.954

10.484

0.001

Dialysate flow rate ≤ 1000 ml/h

1.861(0.989–3.502)

0.547

3.708

0.054

3.085(1.319–7.212)

1.126

6.758

0.009

constant

0.003

−5.978

24.649

< 0.001