Fig. 2From: Pneumocystis pneumonia in patients with rheumatic diseases receiving prolonged, non-high-dose steroids—clinical implication of primary prophylaxis using trimethoprim–sulfamethoxazoleKaplan–Meier curves indicating PCP-free survival in groups with medium-dose and high-dose groups. The medium-dose group is further stratified into a high-risk subgroup, with the presence of at least one risk factor (baseline lymphopenia and/or concomitant steroid pulse), and a non-high-risk subgroup, with no risk factorsBack to article page