Table 3.

Regression model results

	log EQRR predicted			MMRR
	Estimate (SE)	t-Value	P-value	Estimate (SE)	t-Value	P-value
Intercept	−3.88 (0.39)	−10.05	<0.0001	1.80 (0.12)	15.47	<0.0001
Overall event rate	−1.94 (0.24)	−7.98	<0.0001	0.66 (0.07)	9.06	<0.0001
c-statistic	8.27 (0.57)	14.41	<0.0001	−1.57 (0.17)	−9.05	<0.0001
R-square	0.86			0.78

EQRR, extreme quartile risk ratio; MMRR, median-to-mean risk ratio; SE, standard error.