Table 3 Risk factors for the death of 90^th day in patients with acute Paraquat poisoning assessed by the cox proportional hazard model

 female

Reference

 male

1.016

(0.779, 1.325)

Age

1.001

(0.991, 1.011)

 Oral

Reference

 Others

1.198

(0.806, 1.78)

 Control

Reference

Reference

 HP

0.276

(0.18, 0.423)

0.355

(0.226, 0.557)

 CCVH

0.412

(0.274, 0.619)

0.66

(0.438, 0.993)

 SHP

0.205

(0.144, 0.293)

0.359

(0.245, 0.526)

 SHP + CVVH

0.124

(0.082, 0.189)

0.167

(0.107, 0.261)

Time from poisoning to treatment

1.004

(0.925, 1.088)

Time from poisoning to gastriclavage

1.384

(1.154, 1.659)

1.032

(0.846, 1.257)

Baseline BUN (mmol/L)

1.063

(1.049, 1.076)

1.066

(1.036, 1.097)

Baseline CREA (μmol/L)

1.001

(1.001, 1.001)

1

(0.999, 1)

Baseline AST (IU/L)

1.038

(1.033, 1.042)

1.014

(1.007, 1.021)

Baseline ALT (IU/L)

1.045

(1.04, 1.049)

1.019

(1.011, 1.027)

 Baseline PH (mmHg)

0.302

(0.053, 1.731)

 Baseline PO₂ (mmHg)

0.894

(0.881, 0.908)

0.943

(0.926, 0.96)

 Baseline PCO₂ (mmHg)

1.007

(0.986, 1.029)