Table 2. Relative melanoma interval cancer incidence (in situ and invasive) and 95% confidence intervals in terms of observed/expected ratios.

	In situ			Invasive			Total
	Women	Men	Total	Women	Men	Total	Women	Men	Total
Year 1	24/26.0=0.92 (0.59–1.37)	10/7.5=1.34 (0.64–2.45)	34/33.5=1.02 (0.70–1.42)	29/73.6=0.39 (0.26–0.57)	24/31.4=0.76 (0.49–1.14)	53/105.1=0.50 (0.38–0.66)	53/99.6=0.53 (0.40–0.70)	34/38.9=0.87 (0.61–1.22)	87/138.5=0.63 (0.50–0.77)
Year 2	58/26.0=2.23 (1.69–2.88)	16/7.5=2.14 (1.22–3.46)	74/33.5=2.21 (1.73–2.77)	58/73.6=0.79 (0.60–1.02)	39/31.4=1.24 (0.88–1.70)	97/105.1=0.92 (0.75–1.13)	116/99.6=1.16 (0.96–1.40)	55/38.9=1.41 (1.07–1.84)	171/138.5=1.23 (1.06–1.43)
Total	82/52.0=1.58 (1.25–1.96)	26/15.0=1.74 (1.13–2.54)	108/67.0=1.61 (1.32–1.95)	87/147.3=0.59 (0.47–0.73)	63/62,9=1.00 (0.77–1.28)	150/210.2=0.71 (0.60–0.84)	169/199.2=0.85 (0.73–0.99)	89/77.9=1.14 (0.92–1.41)	258/277.1=0.93 (0.82–1.05)

Expected number is based on melanoma incidence in the pre-SCREEN period (1999–2002).