Table 3

Crude prevalence rates and prevalence rate ratios (PRRs) derived from Poisson regression modelling of hereditary haemorrhagic telangiectasia prevalence using The Health Improvement Network dataset between 2000 and 2010

Crude prevalence rates (95% CI) per 10 000 person-yearsCrude PRRs (95% CI)Mutually adjusted PRRs (95% CI)*
Health Authority
 West Midlands0.78 (0.69 to 0.88)1.01 (0.85 to 1.19)1.00
 East Midlands0.85 (0.71 to 1.00)1.09 (0.89 to 1.34)1.08 (0.88 to 1.33)
 London0.78 (0.69 to 0.87)1.001.13 (0.96 to 1.34)
 South East Coast1.02 (0.92 to 1.13)1.32 (1.13 to 1.54)1.30 (1.11 to 1.52)
 Northern Ireland0.93 (0.77 to 1.09)1.20 (0.97 to 1.48)1.30 (1.05 to 1.61)
 East of England1.07 (0.95 to 1.18)1.37 (1.16 to 1.61)1.35 (1.15 to 1.59)
 Scotland1.07 (0.97 to 1.17)1.37 (1.18 to 1.59)1.45 (1.25 to 1.69)
 North West1.14 (1.03 to 1.25)1.46 (1.26 to 1.70)1.48 (1.27 to 1.72)
 South Central1.23 (1.13 to 1.33)1.58 (1.37 to 1.82)1.54 (1.33 to 1.77)
 Yorkshire & Humber1.37 (1.18 to 1.55)1.75 (1.46 to 2.10)1.76 (1.46 to 2.11)
 Wales1.35 (1.20 to 1.51)1.73 (1.47 to 2.04)1.77 (1.50 to 2.09)
 North East1.35 (1.14 to 1.55)1.73 (1.42 to 2.10)1.80 (1.48 to 2.19)
 South West1.51 (1.39 to 1.63)1.94 (1.68 to 2.23)1.86 (1.61 to 2.15)
p<0.0001
  • *Adjusted for age, sex and Townsend score.