Idiopathic pulmonary fibrosis - a systematic review on methodology for the collection of epidemiological data

BMC Pulmonary Medicine

Table 2 Characteristics of IPF patients’ demographics according to the studies included

Study	Mean/median age at Dg	Male/Female	Total no of cases/	ATS/ERS 2000/2002	Before ATS/ERS 2000/2002	Re-evaluation
Study	Mean/median age at Dg	Male/Female	% IPF of ILD	Dg criteria used	Before ATS/ERS 2000/2002	Re-evaluation
Thomeer et al. 2001	57 years	58/42%	362/20%		X Liebow 1975
Tinelli et al. 2005	68 years	63/37%	3152/27%	X
Xaubert et al. 2004			511/38.6%	X
Karakatsani et al. 2009			967/20%	X
Hodgson et al. 2002				X		X
von Plessen et al. 2003	69.2	45/55			X Turner-Warwick	X
Gribbin et al. 2006	71 years	62/38%			X
Raghu et al. 2006					X
Olson et al. 2007					X
Ohno et al. 2008	65 years		1543/85.7%	X
Fernández Pérez et al. 2010	74 years			X		X
Navaratnam et al. 2011	74 years	63/37%			X
Lai et al. 2012					X

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