Table 2.

 Cancers in responders, non-responders, and controls; person years; and incidence in Finnish organised screening programme for colorectal cancer, 2004-6

Arm and sex	No of cancers	Person years	Incidence per 100 000 person years
Responders*:
Test negative:
Men	13	30 787	42
Women	19	39 164	49
Total	32	69 951	46
Episode negative:
Men	15	31 643	47
Women	20	39 701	50
Total	35	71 344	49
Non-responders
Men	16	17 997	89
Women	10	10 990	91
Total	26	28 987	90
Controls
Men	51	49 707	103
Women	47	50 768	93
Total	98	100 475	98

*Sixty five screen detected cancers were excluded.