Table 3.

Difference-in-difference estimate of intervention effect (per head)

	Mean (standard deviation)	95% confidence interval	P
Emergency admissions	0.05 (1.20)	0.00 to 0.09	0.046
Bed days (after emergency admission)	0.09 (15.87)	−0.50 to 0.69	0.757
Elective admissions	−0.02 (1.48)	−0.07 to 0.04	0.549
Outpatient attendances	0.37 (5.50)	0.16 to 0.58	<0.001
Secondary care costs (£)	175 (4592)	22 to 328	0.025