Table 1.

Characteristics of patients with SSc-ILD.

	Patients (N = 3,333)
Sex, n(%)
Female	2,521 (75.6)
Age, years
Mean age (SD)	60.6 (14.4)
Median (IQR)	61.0 (50.0–71.0)
Min–max	20.0–97.0
Time between SSc diagnosis and ILD diagnosis, years
Mean (SD)	0.40 (1.16)
Median (IQR)	0 (0–0.05)
Age category, n(%)
20– <30 years	73 (2.2)
30– <45 years	378 (11.3)
45– <60 years	1,067 (32.0)
60– <75 years	1,200 (36.0)
≥75 years	615 (18.5)
Individual study period duration, years
Mean (SD)	3.90 (2.70)
Median (IQR)	3.54 (1.59–6.51)

IQR, interquartile range; SD, standard deviation; SSc-ILD, systemic sclerosis-associated interstitial lung disease.