Table 3.

Cox univariate regression of recurrence-free survival in the treated arm of Cohort II

	Cohort II treated arm (n = 276)
	Oestrogen receptor			Progesterone receptor
	HR	95% CI	P value	HR	95% CI	P value
Manual analysis	0.622	0.413 to 0.936	0.023	0.566	0.368 to 0.869	0.009
Automated 10% threshold	0.666	0.434 to 1.022	0.063	0.64	0.534 to 0.955	0.04
Automated clustering	0.579	0.384 to 0.872	0.009	0.67	0.431 to 1.043	0.07

HR, hazard ratio; CI, confidence interval.