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Table 1 Demographic and exposure characteristics of the patients with retroperitoneal fibrosis and asbestos-exposed controls.

From: Asbestos-related pleural and lung fibrosis in patients with retroperitoneal fibrosis

RPF Asbestos exposure Gender men/woman Age Pack-years of smoking Age at diagnosis of RPF
    mean SD mean SD mean SD
Yes No 9/7 61.9 9.7 20.4 18.8 55.5 9.6
Yes Yes 19/3 64.1 9.4 27.0 17.4 54.9 8.0
No Yes 18/0 66.0 7.7 22.4 27.1 NA  
  1. (RPF = retroperitoneal fibrosis, NA = not applicable)