Table 2 Univariable and multivariable logistic regression analyses to assess factors associated with PAS

Age

1.023

0.990–1.057

0.177

Gender(male)

0.905

0.437–1.873

0.787

Smoking history

1.958

1.069–3.588

0.030*

2.067

1.089–3.924

0.026*

Drinking history

1.921

0.987–3.737

0.055

Diagnosis(eCH)

0.748

0.151–3.697

0.722

Duration (years)

1.018

0.979–1.058

0.371

Family history of CH

1.889

0.424–8.411

0.404

Coexisting other types

1.558

0.629–3.864

0.338

Number of headache locations

1.310

1.071–1.603

0.009*

1.204

0.980–1.478

0.077

VAS

1.277

1.025–1.592

0.030*

1.169

0.912–1.497

0.217

Duration of episode

  Less than 2 weeks

2.152

0.855–5.416

0.104

  From 2 weeks to less than 1 month

2.810

1.214–6.501

0.016*

  From 1 to 2 months

3.539

1.089–11.498

0.036*

  More than 2 months

0.957

0.201–4.557

0.955

First experience of cluster

(Ref)

(Ref)

Number of triggers

1.828

1.325–2.520

0.001*

1.798

1.264–2.558

0.001*

Number of mitigating factors

1.643

1.067–2.531

0.024*

1.340

0.842–2.132

0.217

Number of non-CAS symptoms

1.206

1.043–1.394

0.011*

1.151

0.975–1.360

0.097