Table 3 Standardised incidence ratios (SIR) with 95% confidence intervals of non-melanoma skin cancers for resettlers compared to the general population of Saarland by approximated UV exposure (tumour location), histological type, sex, and two time periods

Total

52

0.97

(0.72–1.27)

68

1.31

(1.02–1.67)

120

1.14

(0.94–1.36)

Time period

 1990–1998

19

1.03

(0.62–1.61)

30

1.70

(1.15–2.43)

49

1.36

(1.01–1.80)

 1999–2007

33

0.93

(0.64–1.32)

38

1.11

(0.79–1.53)

71

1.02

(0.80–1.29)

Histological type

 basal cell carcinoma (BCC)

39

0.90

(0.64–1.22)

52

1.17

(0.87–1.53)

91

1.03

(0.83–1.27)

 squamous cell carcinoma (SCC)

12

1.29

(0.66–2.25)

16

2.51

(1.44–1.08)

28

1.78

(1.19–2.58)

 Other

1

1.34

(0.03–7.44)

0

0

(0–4.64)

1

0.65

(0.02–3.62)

Approximated UV exposure (tumour location)

 UV-exposed

38

1.09

(0.77–1.49)

54

1.65

(1.24–2.15)

92

1.36

(1.09–1.70)

 UV-unexposed

10

0.73

(0.35–1.30)

7

0.49

(0.20–1.02)

17

0.61

(0.35–0.97)

 Unknown

4

0.81

(0.23–2.07)

7

1.45

(0.58–2.99)

11

1.13

(0.56–2.00)