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Table 4 Clinical variables associated with hospital mortality in patients with organophosphate and carbamate poisoning analyzed by multivariate Cox regression (N = 6832)

From: One-year mortality among hospital survivors of cholinesterase inhibitor poisoning based on Taiwan National Health Insurance Research Database from 2003 to 2012

Parameter

Univariate analysis

P value

Multivariate analysis

P value

HR (95% CI)

HR (95% CI)

Age

1.022 (1.018–1.026)

< 0.0001

1.020 (1.015–1.024)

< 0.0001

Female Sex

1.148 (0.999–1.318)

0.0506

  

Diabetes

1.076 (0.885–1.306)

0.4635

  

Hypertension

0.629 (0.497–0.794)

< 0.0001

0.615 (0.485–0.779)

0.0001

Coronary artery disease

0.582 (0.360–0.941)

0.0273

0.485 (0.300–0.785)

0.0751

Cerebrovascular accident

1.179 (0.828–1.679)

0.3607

  

Chronic renal failure

2.634 (1.690–4.105)

< 0.0001

1.449 (0.893–2.351)

0.1330

Chronic obstructive pulmonary disease

0.875 (0.534–1.436)

0.5980

  

Asthma

0.544 (0.175–1.688)

0.2920

  

Liver failure

2.693 (1.486–4.882)

0.0011

2.348 (1.293–4.264)

0.0050

Atropine

2.406 (2.054–2.818)

< 0.0001

1.951 (1.628–2.337)

< 0.0001

Pralidoxime

1.184 (1.032–1.359)

0.0161

0.591 (0.506–0.691)

< 0.0001

Hemodialysis

2.520 (1.929–3.291)

< 0.0001

1.454 (1.087–1.946)

0.0117

Pneumonia

0.754 (0.600–0.947)

0.0154

0.480 (0.382–0.603)

< 0.0001

Mechanical ventilation

5.160 (4.426–6.014)

< 0.0001

4.684 (3.976–5.517)

< 0.0001

  1. CI, Confidence interval; Data are presented as mean ± SD or N (%)