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Volume 9, Number 6—June 2003

Serogroup W-135 Meningococcal Disease during the Hajj, 2000

Jairam R. Lingappa*Comments to Author , Abdullah M. Al-Rabeah†, Rana Hajjeh*, Tajammal Mustafa†, Adel Fatani†, Tami Al-Bassam†, Amira Badukhan†, Abdulhafiz Turkistani†, Nassen Al-Hamdan†, Mohamed Al-Jeffri†, Yaqoub Al Mazrou†, Bradley A. Perkins*, Tanja Popovic*, Leonard W. Mayer*, and Nancy E. Rosenstein*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Saudi Arabian Ministry of Health, Riyadh, Kingdom of Saudi Arabia

Main Article

Table 2

Clinical characteristics of patients with confirmed meningococcal disease, Saudi Arabiaa

Feature All cases, n=253 (%) Serogroup-specific cases, n (%)
W-135, n=93 A, n=60
Seen by clinician <1 day after symptom onset
125 (49)
45 (48)
31 (52)
Semiconscious, comatose, or deadb
146 (62)
57 (63)
33 (58)
Positive blood cultureb
55 (79)
15 (29)
Sepsis without meningitis
23 (9)
19 (20)
4 (7)
Admitted to intensive careb
51/212 (24)
27 (35)
7 (14)
>1-day intensive care requiredb
33/202 (16)
19 (26)
3 (6)
Death (case-fatality rate) 70 (28) 27 (29) 16 (27)

aIdentified by retrospective surveillance (January 24–June 5, 2000, in Jeddah, Mecca, Medina, Saudi Arabia. Cases of serogroup B and C disease (four cases each) as well as cases of unknown serogroup are not shown. Denominator for all confirmed cases is 253 unless stated otherwise (changes in denominators are due to missing values); denominator for serogroup-specific percentages is the total serogroup-specific disease.
bComparison of characteristics for serogroup W-135 versus serogroup A with Fisher exact p value <0.05.

Main Article

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Page updated: December 21, 2010
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