Table 2

Estimated incidence rate of Lyme disease and total number of cases in the UK

Number of Lyme disease cases observed in CPRDPopulation covered in CPRD in person-years*Estimated incidence rate per 100 000 per year (95% CI)†Estimated number of Lyme disease cases in UK per year†
Total in UK by year
 2001603 523 3581.6 (1.2–2.0)955
 20021153 838 4002.9 (2.3–3.4)1717
 2003904 193 3342.1 (1.6–2.5)1228
 20041614 409 8573.6 (3.0–4.1)2141
 20052114 575 6674.5 (3.9–5.1)2701
 20063144 634 2146.3 (5.6–7.1)3850
 20074224 644 4198.6 (7.7–9.4)5268
 20084454 668 3159.0 (8.1–9.8)5555
 20095384 634 53310.9 (9.9–11.9)6787
 20105644 542 49611.5 (10.5–12.5)7217
 20115684 396 02411.9 (10.9–12.9)7522
 20125954 324 75112.1 (11.1–13.2)7738
Region in years 2010–2012
 Scotland5261 408 52337.3 (34.2–40.7)1976
 South West2481 058 04023.4 (20.6–26.6)1243
 South4253 059 88513.9 (12.6–15.3)1204
 East England1081 337 5068.1 (6.6–9.8)845
 London1171 512 5857.7 (6.3–9.3)633
 North1622 591 1356.3 (5.3–7.3)1053
 West Midlands701 106 2296.3 (4.9–8.0)355
 Wales711 189 3676.0 (4.6–7.6)183
  • South=South Central+South East Coast; East England=East+ East Midlands; North=North West+North East+Yorkshire and The Humber+Northern Ireland.

  • *For the years 2010–2012 pooled, the CPRD population is the sum of the populations over the 3 years.

  • †Incidence rate in the UK and total Lyme disease cases in the UK were estimated standardising for region.

  • CPRD, Clinical Practice Research Datalink.