Table 2

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

Crude prevalence rates (95% CI) per 10 000 person-yearsCrude PRRs (95% CI)Mutually adjusted PRRs (95% CI)*
Sex
 Male0.84 (0.70 to 0.98)1.001.00
 Female1.28 (1.11 to 1.44)1.56 (1.25 to 1.95)1.53 (1.24 to 1.88)
p=0.0001
Age group
 <15 years0.61 (1.15 to 1.77)1.001.00
 15–50 years0.84 (0.71 to 0.98)1.39 (0.88 to 2.19)1.39 (0.96 to 2.02)
 >50 years1.58 (1.35 to 1.81)2.62 (1.69 to 4.07)2.53 (1.76 to 3.63)
p<0.0001
p=0.29†
Townsend score
 1 (least deprived)1.31 (1.07 to 1.55)1.93 (1.29 to 2.89)1.74 (1.14 to 2.64)
 21.05 (0.81 to 1.29)1.55 (1.701 to 2.38)1.36 (0.88 to 2.11)
 31.10 (0.85 to 1.35)1.62 (1.03 to 2.55)1.50 (0.97 to 2.31)
 40.87 (0.63 to 1.10)1.28 (0.79 to 2.08)1.23 (0.78 to 1.94)
 5 (most deprived)0.68 (0.43 to 0.93)1.001.00
 9 (missing values)1.34 (0.77 to 1.91)1.98 (1.12 to 3.52)2.20 (1.25 to 3.88)
p=0.026
  • *Adjusted for sex, age group, Townsend score and health authority.

  • †p-trend across age categories.