Table 5

Distribution of the 4 main subgroups of IIP in published cohorts
Author, Country n IPF/UIP NSIP DIP/RBILD COP
Our study, Germany 60 45% 23% 15% 17%
Bjoraker 1998, USA [18] 91 69.2% 15.4% 11% 4.4%
Nagai 1998, Japan [19] 111 58% 28% n.a. 14%
Travis 2000, USA [20] 101 55% 29% 16% n.a.
Nicholson 2000, UK [21] 78 47% 36% 17% n.a.

n.a. = not available.

Theegarten et al.

Theegarten et al. Diagnostic Pathology 2012 7:160   doi:10.1186/1746-1596-7-160

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