Volume 20, Number 1—January 2014
Research
Population-based Surveillance for Bacterial Meningitis in China, September 2006–December 2009
Table 5
Initial clinical diagnoses of AMES and probable bacterial meningitis cases in sentinel hospitals in 4 China prefectures, September 2006–December 2009*
Initial diagnosis | No. (%) AMES cases | No. AMES cases with CSF specimen/no. (%) meeting WHO definition of PBM | No. AMES specimens tested/no. (%) confirmed positive for any bacteria |
---|---|---|---|
Meningococcal meningitis | 19 (0.4) | 13/6 (46.2) | 12/5 (41.7) |
Purulent meningitis | 280 (5.9) | 255/156 (61.2) | 244/29 (11.9) |
TB meningitis | 149 (3.2) | 132/55 (41.7) | 114/1 (0.9) |
TB meningoencephalitis | 48 (1.0) | 33/17 (51.5) | 31/0 |
Japanese encephalitis | 142 (3.0) | 102/29 (28.4) | 110/0 |
Viral encephalitis | 1,631 (34.6) | 1,173/221 (18.8) | 1,146/12 (1.0) |
Viral meningitis | 231 (4.9) | 179/38 (21.2) | 170/3 (1.8) |
Viral meningoencephalitis | 181 (3.8) | 137/31 (22.6) | 135/2 (1.5) |
Other encephalitis | 1,201 (25.5) | 842/155 (18.4) | 814/12 (1.5) |
Other meningitis | 70 (1.5) | 57/14 (24.6) | 55/0 |
Cerebrospinal meningitis | 10 (0.2) | 8/2 (25.0) | 8/1 (12.5) |
Other diagnosis† | 731 (15.5) | 526/109 (20.7) | 539/9 (1.70) |
Data missing | 19 (0.4) | 7/0 | 13/0 |
Total | 4,712 (100) | 3,464/833 (24.0) | 3,391/74 (2.2) |
*AMES, acute meningitis and encephalitis syndrome; CSF, cerebrospinal fluid; WHO, World Health Organization; PBM, probable bacterial meningitis; TB, tuberculosis.
†Other diagnosis were cases that met the AMES case definition (e.g., suspected CNS infection and high fever and convulsion with unknown reason) but that were not included among the 11 specific initial diagnosis listed above.
1These authors contributed equally to this article.
2Members of the Acute Meningitis and Encephalitis Syndrome Study Group are listed at the end of this article.