Fig. 2From: Safety and tolerability of pirfenidone in asbestosis: a prospective multicenter studyRepeated home spirometry FVC measurements in n = 9 individual patients (grey lines) and measured median FVC slope (black line) with 95% CI (grey area), before and after initiation of pirfenidone (time = 0). The dotted black line demonstrates the estimated continued FVC slope line without treatmentBack to article page