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. 2017 Feb 13;7(2):e013156. doi: 10.1136/bmjopen-2016-013156

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Joinpoint analysis of annual hospitalisations for idiopathic pulmonary fibrosis in Spain, 2004–2013: men (A), women (B) and all patients (C). Accent: APC is significantly different from zero (two-side, p<0.05). APC, annual per cent change (based on rates that were sex-adjusted and aged-adjusted using Spanish National Statistics Institute Census projections) calculated using joinpoint regression analysis.