Table 3.

Total undiscounted costs (in €) per period in two groups of exposure, including intervention costs.

Periods	Group of exposure
	Exposed			Control			Total per period
	N of patients	Exposure, bed-days	Total cost	N of patients	Exposure, bed-days	Total cost	N of patients	Exposure, bed-days	Total cost
Period 1	430	5,974	1320274.85	2,262	24,293	5382207.95	2,692	30,267	6702482.81
Period 2	1,479	16,418	3622337.89	1,389	14,674	3236448.17	2,868	31,092	6858786.06
Period 3	2,231	22,665	5000903.53	806	9,642	2125700.94	3,037	32,307	7126604.47
Period 4	1,774	20,862	4605252.23	0	0	0	1,774	20,862	4605252.23
Printing materials			1689.94			0
Aids			48,000			0
Distance training			4,800			0
Total in 4 periods	5,914	65,919	14603258.44	4,457	48,609	10744357.06	10,371	114,528	25347615.50