Table 1.

Practice profiles recruiting matched cases of persistent FAs and NAs

	Practice A	Practice B	Practice C	Practice D	Practice E
Registered patients	26977	11552	12915	14067	15325
No. of sites	4	1	2	1	1
GPs	14	7	14	8	6
Deprivation decile a	4	6	9	5	2

^a Based on Index of Multiple Deprivation (11): 10 represents least deprived.