Statistics review 7: Correlation and regression

Table 3 Regression parameter estimates, P values and confidence intervals for the accident and emergency unit data

	Coefficient	Standard error of coefficient	t	P	Confidence interval
Constant, or intercept	0.72	0.346	2.07	0.054	-0.01 to +1.45
ln urea	0.017	0.005	3.35	0.004	0.006 to 0.028

ISSN: 1364-8535