Figure 2.

Impact of regular screening on ascertainment of a, b) pulmonary fibrosis (PF) and c, d) pulmonary arterial hypertension (PAH) in systemic sclerosis (SSc). Kaplan–Meier estimation of cumulative incidence of PF and PAH in patients from a contemporary (screened) and historical (unscreened) cohort in two SSc subsets: a, c) diffuse cutaneous SSc and b, d) limited cutaneous SSc. ––––: disease onset, 2000–2003; - - - -: disease onset, 1990–1993. a, b) p<0.001, c) p=0.148, d) p=0.002. Reproduced from [1] with permission from the publisher.