Table 4

Hospitalisation rates for primary varicella and its most common complications

AuthorsYear (ref)CountryAge group (years)Number of hospitalisations /104 cases
All hospitalisations
(n = 104)
Skin infection
(n = 23)
Pneumonia
(n = 9)
CNS complication (n = 25)
Present study1998Switzerland0–16  9.2 (7.4 to 11.0)4-150   2.0 (1.2 to 2.9)4-150 0.8 (0.3 to 1.3)4-150  2.2 (1.3 to 3.1)4-150
Yawn et al 199714 USA0–125511
Peterson et al 19967 USA0–1518  64-151 1.34-151 1.44-151
Fairley et al 199610 Scotland0–14294-151
Chooet al 199515 USA0–14514-151   204-151 4.94-151 2.44-151
Huse et al 19945 USA0–1516
Varughese198816 Canada0–1551
Guesset al 19869 USA0–149  2.61.30.9
Preblud et al 198417 USA0–14170.17
  • 4-150 95% confidence interval.

  • 4-151 Extrapolated from raw data provided in the study.