Table 3 Cox regression was used to analyse the correlation between baseline measurements and the survival of AOSD patients

Age at onset, years (continuous)

1.03 (1.00–1.06)

0.026

 <50

0.31 (0.13–0.73)

0.008

 ≥50

3.20 (1.36–7.53)

0.008

6.78 (2.10–21.89)

0.001

 Male

1.32 (0.51–3.36)

0.567

 Female

0.76 (0.30–1.95)

0.567

Fever ≥ 39 °C

-

0.997

Rash

0.59 (0.22–1.59)

0.292

Arthralgia

0.66 (0.27–1.61)

0.358

ILD

2.92 (1.22–6.98)

0.016

0.52 (0.13–2.14)

0.369

Pharyngalgia

1.29 (0.52–3.17)

0.581

Myalgia

1.41 (0.55–3.59)

0.478

Pericarditis

3.76 (1.23–11.4)

0.020

1.17 (0.36–3.78)

0.792

Pleurisy

3.04 (1.27–7.26)

0.012

2.17 (0.59–8.03)

0.246

Hepatomegaly

4.14 (1.50–11.38)

0.006

5.05 (1.44–17.70)

0.011

Splenomegaly

1.49 (0.62–3.55)

0.371

Lymphadenopathy

1.16 (0.50–2.68)

0.734

Ferritin > 1500 ng/mL

2.04 (0.69–6.01)

0.198

Infection

12.56 (5.39–29.28)

4.52e⁻⁰⁹

15.56 (5.88–41.20)

3.29e⁻⁰⁸

MAS

11.88 (4.51–31.30)

5.58e⁻⁰⁷

26.82 (7.52–95.60)

3.95e⁻⁰⁷