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Table 4 Multivariate odds ratio estimates of clinical and laboratory risk indicators for in-hospital mortality calculated by logistic regression (n = 383)

From: Nucleated red blood cells in the blood of medical intensive care patients indicate increased mortality risk: a prospective cohort study

Parameter

Point estimate

95% confidence limits

P

NRBCsa

1.987

1.211–3.261

< 0.01

Leukocytes (> 10/nl)

0.480

0.178–1.294

0.147

Prothrombin time ratio (< 60%)

3.968

1.733–9.090

< 0.01

Alanine aminotransferaseb

1.223

0.932–1.620

0.162

C-reactive proteinc

1.214

0.901–1.635

0.202

APACHE II

1.168

1.112–1.227

< 0.001

  1. Age, gender, body mass index, APACHE II score, the highest nucleated red blood cell (NRBC) concentration, the highest creatinine concentration, the lowest hemoglobin concentration, the lowest thrombocytes concentration, the highest leukocyte concentration, the highest alanine aminotransferase activity, the highest C-reactive protein concentration, and the lowest prothrombin time ratio were considered for the calculation. All risk indicators with p values greater than 0.25 were removed from the model. aSubdivided into four categories (0/μl, 1 to 100/μl, 101 to 200/μl, and more than 200/μl); odds ratio was calculated for each stepwise increase in the category. bAfter log transformation. cSubdivided into four categories (0 to 5.0 mg/dl, 5.1 to 10.0 mg/dl, 10.1 to 15.0 mg/dl, and more than 15 mg/dl); odds ratio was calculated for each stepwise increase in the category. APACHE II, Acute Physiology and Chronic Health Evaluation II.