Table 1.

Number of respondents within and off common support of nearest neighbouring match

	Respondents		Off support	On support	Total
Nearest neighbouring match	Ambulatory patients	Before report	2	9137	9139
		After report	18	19 456	19 474
		Total	19	28 593	28 613
	Hospitalised patients	Before report	1	5139	5140
		After report	16	15 371	15 387
		Total	17	20 510	20 527
	Doctors	Before report	0	5942	5942
		After report	17	13 815	13 832
		Total	17	19 757	19 774