Volume 9, Number 2—February 2003
Research
Viral Encephalitis in England, 1989–1998: What Did We Miss?
Table 3
Hospitalizations of viral encephalitis, deaths, and duration of stay, England, April 1, 1989–March 31, 1998a
Diagnosis | No. of cases | No. of deaths (%) | Case-fatality rate/100 cases | 95% CI | Length of stay in days | 95% CI |
---|---|---|---|---|---|---|
Exotic |
64 |
1 (0.2) |
1.6 |
0.01 to 8.6 |
16.5 |
7.5 to 25.5 |
Herpes viruses |
||||||
Herpes simplex virus |
1,419 |
141 (33.8) |
10 |
8.4 to 11.6 |
26.6 |
23.6 to 29.6 |
VZV |
333 |
25 (6.0) |
7.6 |
4.9 to 10.9 |
11.8 |
10.0 to 13.4 |
Others |
||||||
Measles |
86 |
1 (0.2) |
1.2 |
0.01 to 6.3 |
6.8 |
3.1 to 10.5 |
Mumps |
30 |
1 (0.2) |
3.3 |
0.01 to 15.8 |
4.1 |
2.9 to 5.3 |
Rubella |
26 |
2 (0.5) |
7.7 |
0.9 to 25.1 |
76.0 |
0.0 to 174.0 |
LCMV |
7 |
0 (0.0) |
0 |
7.2 |
2.1 to 12.3 |
|
Adenoviruses |
129 |
6 (1.4) |
4.7 |
1.8 to 9.8 |
8.5 |
6.8 to 10.2 |
Other |
480 |
33 (7.9) |
6.8 |
4.7 to 9.4 |
18.8 |
12.4 to 25.1 |
Unspecified viral infection |
3,840 |
207 (49.6) |
5.5 |
4.7 to 6.2 |
14.8 |
13.7 to 15.9 |
Total | 6,414 | 417 (100) | 6.5 | 5.9 to 7.1 | 17.5 | 16.4 to 18.6 |
aCI, confidence interval; VZV, varicella-zoster virus 1; LCMV, Lymphocytic choriomeningitis virus.