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Table 3 Binary logistics regression analysis of independent variables associated with hyponatremia in patients with AECOPD (n = 413)

From: Risk factors for hyponatremia in acute exacerbation chronic obstructive pulmonary disease (AECOPD): a multicenter cross-sectional study

 

OR

OR 95% CI

P value

(Intercept)

58.410

0.595–5730.099

0.082

Ex-smoking

0.477

0.234–0.971

0.041

Current-smoking

0.630

0.346–1.148

0.131

NIPPV

1.272

0.525–3.085

0.594

IPPV

21,108,070.000

0.000–Infinite

0.985

CAP

2.202

0.678–7.150

0.000

Pleural effusion

1.276

0.864–1.886

0.189

AG

0.208

0.034–1.264

0.039

PCT

3.458

1.948–6.141

0.221

ESR

1.020

1.008–1.033

0.002

Serum Ca2+

1.061

1.003–1.122

0.088

Serum Mg2+

0.015

0.001–0.288

0.005

  1. AECOPD Acute exacerbation chronic obstructive pulmonary disease, CAP Community-acquired pneumonia, NIPPV Non-invasive positive pressure ventilation, IPPV Invasive positive pressure ventilation, AG Anion gap, Ca2+ Calcium ions, Mg2+ Magnesium ions, PCT Procalcitonin, ESR Erythrocyte sedimentation rate, OR Odds ratio, CI Confidence interval