Table 2 Intraclass correlation coefficients indicating practice-level variation in the recording of the commonest stroke codes (n = 79,847).

207099

CVA unspecified

0.15

17%

234279

Stroke/CVA unspecified

0.25

24%

243296

Cerebrovascular accident unspecified

0.05

3%

213214

Stroke monitoring

0.16

14%

341089

Annual review

0.22

9%

234277

Cerebral infarction

0.04

3%

289093

Subarachnoid haemorrhage

0.00

3%

234275

Cerebral arterial occlusion

0.12

2%

298378

CVA- cerebral artery occlusion

0.08

3%

288824

Hemiparesis

0.01

3%

288823

Hemiplegia

0.01

1%

261654

Intracerebral haemorrhage

0.01

2%

225136

CVA due to intracerebral haemorrhage

0.05

2%

285273/257802

H/O Stroke or CVA

0.04

3%