Table 2. General practitioner (GP) referral rates (per 1000 patients on GP list per year) to cancer genetics services before and during the trial (mean and 95% confidence limits).

GP group	Before trial mean (95% CI)	During trial mean (95% CI)	Percentage increase in referral rate
Regional group	0.21 (0.17–0.26)	0.29 (0.23–0.34)	38.1
Community group	0.22 (0.17–0.26)	0.36 (0.29–0.43)	63.6