Table 3 Results of logistic regression models for pneumonia types and pathogen serologic status

CPBP

Intercept

− 1.262

0.241

0.282

0.172–0.446

− 5.233

1.67e−07***

App

0.540

0.384

1.717

0.799–3.638

1.405

0.1599

Met. spp.

0.828

0.361

2.290

1.124–4.667

2.291

0.0219*

PLP

Intercept

0.645

0.202

1.906

1.291–2.859

3.194

0.00140**

Met. spp.

1.392

0.515

4.023

1.583–2.398

2.704

0.00685**

M. hyo

1.739

1.056

5.694

1.074–10.533

1.647

0.09956

Pleuritis

Intercept

− 1.8015

0.2647

0.165

0.095–0.269

− 6.805

1.01e−11***

PCV2

0.4978

0.5286

1.645

0.543–4.452

0.942

0.346

App

0.5633

0.4436

1.756

0.714–4.130

1.270

0.204