The percentage of patients with atrial fibrillation in whom stroke risk has been assessed using the CHA2DS2-VASc score risk stratification scoring system in the preceding 3 years (excluding those patients with a previous CHADS2 or CHA2DS2-VASc score of 2 or more)

Organisation	Numerator	Denominator	Ratio	Centile
ORCHARD SURGERY	141	141	100.0%	100
HEATHGATE MEDICAL PRACTICE	175	175	100.0%	100
SCHOOL LANE SURGERY	169	169	100.0%	100
WYMONDHAM MEDICAL PARTNERSHIP	213	213	100.0%	100
OLD MILL AND MILLGATES …	136	136	100.0%	100
GROVE SURGERY	217	217	100.0%	100
HARLESTON MEDICAL PRACTICE	133	134	99.3%	59
WINDMILL SURGERY	54	55	98.2%	48
SHIPDHAM SURGERY	107	109	98.2%	48
CHURCH HILL SURGERY	106	108	98.1%	48
HUMBLEYARD PRACTICE	243	249	97.6%	42
WATTON MEDICAL PRACTICE	161	165	97.6%	42
LAWNS PRACTICE	77	79	97.5%	41
PARISH FIELDS PRACTICE	113	116	97.4%	41
UK	825360	851119	97.0%
NHS SOUTH NORFOLK CCG	3364	3471	96.9%	43
MIDLANDS AND EAST OF …	204776	211337	96.9%	50
NHS England	675488	698035	96.8%
THEATRE ROYAL SURGERY	119	123	96.7%	35
NHS ENGLAND EAST OF …	53705	55751	96.3%	18
ROUNDWELL MEDICAL CENTRE	111	116	95.7%	26
ATTLEBOROUGH SURGERY	288	301	95.7%	26
HINGHAM SURGERY	77	81	95.1%	22
MATTISHALL SURGERY	124	131	94.7%	19
ELMHAM SURGERY	158	170	92.9%	10
SCHOOL LANE PMS PRACTICE	25	27	92.6%	9
LONG STRATTON MEDICAL PARTNERSHIP	150	163	92.0%	7
E HARLING & KENNINGHALL …	108	118	91.5%	6
CHET VALLEY MEDICAL PRACTICE	159	175	90.9%	4

QOF database

NHS SOUTH NORFOLK CCG

Data for AF006