Table 1 Characteristics of the population on admission (n = 32) in groups A and G
ParametersGroup A(n = 15)Group G(n = 17)p Value
Age at diagnosis (years)*60 (40–72)52 (32–73)NS
Sex (M/F)5/106/11NS
Occupational exposure75NS
    Cleaning products44
    Products used in dental protheses1
  • Group A, acute onset of interstitial lung disease; group G, gradual onset of interstitial lung disease.

  • *Results are expressed as median (range). Comparisons were made using the Fisher exact test.