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Volume 17, Number 4—April 2011

Dispatch

Characteristics of Children Hospitalized for Pandemic (H1N1) 2009, Malaysia

Hussain Imam Muhammad Ismail, Kah Kee TanComments to Author , Yin Leng Lee, Wilson S.C. Pau, Kamarul A.M. Razali, Thahira Mohamed, Tassha Adnan, Premaa Subramaniam, and Jamaiyah Hanif
Author affiliations: Author affiliations: Hospital Kuala Lumpur, Kuala Lumpur, Malaysia (H.I.M. Ismail, K.A.M. Razali, T. Mohamed); Hospital Tuanku Ja’afar, Seremban, Malaysia (K.K. Tan, W.S.C. Pau); Ministry of Health Malaysia, Kuala Lumpur (Y.L. Lee, T. Adnan, P. Subramaniam, J. Hanif)

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Table 1

Characteristics of 1,362 hospitalized children with pandemic (H1N1) 2009, Malaysia, June 18, 2009–March 1, 2010

Characteristic No. (%) children
Demographic
Male sex 762 (55.9)
Age group
0–6 mo 152 (11.2)
7–12 mo 182 (13.4)
13–23 mo 202 (14.8)
2–4 y 325 (23.9)
5–8 y 298 (21.9)
9–12 y 203 (14.8)
Ethnic group
Malay 995 (73.1)
Chinese 109 (8.0)
Indian 83 (6.1)
Native East Malaysian* 99 (7.3)
Indigenous native 24 (1.8)
Other
52 (3.8)
Clinical sign or symptom
Fever 1313 (96.4)
Cough 1237 (90.8)
Runny nose 794 (58.3)
Nausea 346 (25.4)
Poor feeding 310 (22.8)
Labored breathing 293 (21.5)
Diarrhea 177 (13.0)
Sore throat 164 (12.0)
Seizure 117 (8.6)
Fatigue 94 (6.9)
Headache 30 (2.2)
Abdominal pain 30 (2.2)
Altered consciousness 13 (1.0)
Vomiting
6 (0.4)
Disease severity/treatment needed
Admission to intensive care unit 134 (9.8)
Mechanical ventilation 101 (7.4)
Supplemental oxygen† 317 (23.3)
Noninvasive ventilation‡
4 (0.3)
Complication
Shock 57 (4.2)
Acute respiratory distress syndrome 41 (3.0)
Encephalitis/encephalopathy§ 21 (1.5)
Myocarditis 8 (0.6)
Disseminated intravascular coagulation 7 (0.5)
Liver impairment 32 (2.3)
Multiple organ failure 12 (0.9)
Myoglobinuria 1 (0.07)

*Kadazan/Dusun, Melanau, Bajau, Bidayuh, Iban, Orang Ulu, Lundayeh, Kayan, Kedayan, Sabahan, Kadayan, Suluk, Tidung, Bisaya.
†Oxygen delivered by nasal cannula, nasal prong, or face mask.
‡Mechanical ventilation that does not use an artificial airway such as endotracheal tube.
§Inflammation of brain or degeneration of brain function.

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