Table 1

Epidemiological studies on the risk of cancer in Scl

All cancers, SIR (95% CI)
RefYearCountryMean follow up yearsNo of cases of SclAllMaleFemaleSites of risk
*CIs not presented;
†there is some overlap between these two studies.
81982Australia3.3276.45 (0.78 to 23.29)8.33 (0.21 to 46.28)5.26 (0.13 to 29.22)No significant risk found
91985USA4.32621.81*2.46*1.58*Lung
101993Canada4.62487.90*Lung
Breast
11†1993Sweden5.12332.4 (1.5 to 3.6)1.8*2.9*Lung
Non-Hodgkin’s lymphoma
12†1995Sweden9171.5 (1.2 to 1.9)Lung
Non-melanoma skin cancers
Primary liver cancer
Increase in haematopoietic cancers
132000Japan6435.1 (1.7 to 10.8)
142000USA4900.75 (0.45 to 1.18)1.14 (0.37 to 2.66)0.77 (0.42 to 1.29)Lung
Breast
72003South Australia5.5 (male)4411.99 (1.46 to 2.65)Lung
6.1 (female)Diffuse Scl 2.73 (1.31 to 5.02)
Limited Scl 1.85 (1.23 to 2.68)