Table 2

Pooled fit of the regression model based on 5 imputations*.

Variable

OR

Lower 95% CI

Upper 95% CI

P

Intercept

0.000

0.000

45.159

0.142

Age

0.969

0.948

0.991

0.008

New onset/worsened cough's duration

1.030

0.996

1.065

0.084

Chronic cough

3.088

0.854

11.162

0.085

Daily fever

1.636

0.843

3.175

0.145

Maximum temperature (°C)

1.215

0.873

1.691

0.248

Dyspnea

1.270

0.535

3.017

0.586

Dyspnea at effort only

1.318

0.503

3.451

0.572

Wheezing

0.483

0.209

1.116

0.088

Pain on inspiration

0.767

0.385

1.529

0.448

Rigors

1.110

0.567

2.173

0.756

Muco-purulent sputum

0.626

0.344

1.138

0.124

Bloody sputum

3.071

1.150

8.203

0.025

Cold/influenza signs

0.644

0.326

1.271

0.200

Smoking

0.979

0.945

1.014

0.241

History of pneumonia

0.171

0.015

1.923

0.145

Current temperature (°C)

1.025

0.746

1.409

0.876

Signs of upper respiratory infection

0.622

0.304

1.272

0.188

Respiratory rate (#/minute)

1.041

0.988

1.097

0.128

Prolonged expiration

1.066

0.390

2.914

0.901

Percussion dullness (a)

2.214

0.761

6.440

0.144

Auscultation friction rub (b)

10.343

1.843

58.052

0.014

Auscultation: diminished inspiratory sound (c)

1.869

0.831

4.205

0.130

Auscultation: bronchial breath sound (d)

1.118

0.517

2.416

0.774

Auscultation: rales and/or wheezing (e)

0.886

0.403

1.950

0.763

Abnormalities in a to e, if 2+ in single locus

3.633

1.414

9.334

0.009

Abnormalities in a to e, if 2+ in different loci

4.472

0.337

59.294

0.223

CRP

1.017

1.012

1.022

0.000

Original dataset included 621 patients with data on pneumonia.

*Original dataset included 621 patients with data on pneumonia.

Steurer et al. BMC Medicine 2011 9:56   doi:10.1186/1741-7015-9-56