Table 3

Bivariate regression analyses

IRRSE95% CIP-value
Practice characteristics
 Population black/black other, %1.00340.00061.0023 to 1.0045<0.001
 Smoking prevalence, %1.01750.00051.0166 to 1.0185<0.001
 Deprivation (IMD 2004)1.00930.00021.0088 to 1.0097<0.001
 Observed stroke prevalence, %1.04590.00521.0358 to 1.0562<0.001
 Undiagnosed stroke prevalence, %1.06310.00831.0470 to 1.0796<0.001
 GPs/100 000 practice population1.00040.00021.0000 to 1.00080.046
QOF achievement
 Stroke 6 achievement, %0.99840.00060.9973 to 0.99960.008
 Stroke 8 achievement, %0.99880.00040.9981 to 0.99960.003
 Stroke 12 achievement, %0.99940.00080.9978 to 1.00110.490
 Hypertension 5 achievement, %0.99880.00060.9977 to 0.99990.027
 Patient Experience 7 achievement, %0.99860.00020.9982 to 0.9991<0.001
 Patient Experience 8 achievement, %0.99870.00020.9983 to 0.9990<0.001
  • IMD = Index of Multiple Deprivation. IRR = incidence rate ratio. SE = standard error.