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Table 4 Cox proportion hazards model for the whole group

From: Acute kidney injury after liver resection in elderly patients

AKI

Hazard ratio

95% CI

P-value

Gender (male)

10.3834

1.3644, 79.0199

0.0238

Cardiologic complications

3.5510

0.1925, 65.4912

0.3941

Sepsis

0.4595

0.02807, 7.5219

0.5856

Surgical complications

1.7433

0.4030, 7.5418

0.4570

Age < 65 years

0.8721

0.2914, 2.6102

0.8067

Age 65–74 years

1.0346

0,2913, 3,6659

0.0507

Age ≥ 75 years

0.4418

0,02697, 7,2381

0.5669

Small resection

1.1540

0.2637, 5.0504

0.8492

Large resection

2.0226

0.6747, 6.0632

0.2085

RFA

0.5974

0.1351, 2.6421

0.4970

Benign finding

0.9467

0.2155, 4.1598

0.9422

HCC

0.4361

0.02803, 6.7845

0.5534

Cholangiocarcinoma

1.0705

0.1448, 7.9150

0.0668

MTS of colorectal carcinoma

2.8651

0.9571, 8.5764

0.0499

Neuroendocrine tumors

1.7917

0.2480, 12.9440

0.5633

Other

0.2228

0.02935, 1.6909

0.1465

Duration of surgery > 300 min

6.0096

3.1117, 11.6063

< 0.0001

Perioperative blood loss > 500 ml

10.5857

2.5384, 44.1456

0.0012

Substitution of FFP > 500 ml

2.4878

0.9228, 6.7066

0.0717

  1. AKI acute kidney injury, RFA radiofrequency ablation, HCC hepatocellular carcinoma, MTS metastases, FBP fresh frozen plasma