East African medical journal · 2001
Factors associated with measles complications in Gweru, Zimbabwe.
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Marufu T, Siziya S, Tshimanga M, Murugasampillay S, Mason E, Manyame B
Аннотация
OBJECTIVE: To investigate factors associated with complications or death among measles cases.
DESIGN: A cross-sectional study.
SETTING: Health facilities in the city of Gweru, Zimbabwe.
SUBJECTS: Six hundred and thirty seven measles cases randomly selected from measles surveillance data.
MAIN OUTCOME MEASURES: (a) Associations of respiratory complications and diarrhoea with death among complicated cases; (b) associations of age at infection, gender of cases and vaccination status of cases with occurrence of either respiratory complications or diarrhoea or death among measles cases.
RESULTS: Among cases with respiratory complications, twenty two (29%) had died, while five (5%) had died among those with diarrhoea (OR=7.06,95% CI=2.55-22.35, p<0.001). On rates of respiratory complications among cases, age groups 24-59 and 60+ months were protective by 57% (95% CI=11-79%) and 76% (95% CI=52-88%) respectively compared to the age group <24 months, and vaccination was protective by 42% (95% CI=2-65%) compared to those unvaccinated. Concerning rates of diarrhoea among cases, the age group 60+ months was protective by 80% (95% CI=62-89%) compared to age group <60 months, while vaccination was protective by 64% (95% CI=42-77%) compared to those unvaccinated. With respect to rates of mortality among cases, age was protective by six per cent (95% CI=3-9 %) for every year older.
CONCLUSION: It was concluded that: (a) the risk of death was higher in cases with respiratory complications than diarrhoea; (b) the risk of complications and death was inversely related to age at infection and older age groups were protective against occurrence of complications or death; (c) the risk of complications was higher in unvaccinated cases and vaccination was protective against occurrence of complications.
DESIGN: A cross-sectional study.
SETTING: Health facilities in the city of Gweru, Zimbabwe.
SUBJECTS: Six hundred and thirty seven measles cases randomly selected from measles surveillance data.
MAIN OUTCOME MEASURES: (a) Associations of respiratory complications and diarrhoea with death among complicated cases; (b) associations of age at infection, gender of cases and vaccination status of cases with occurrence of either respiratory complications or diarrhoea or death among measles cases.
RESULTS: Among cases with respiratory complications, twenty two (29%) had died, while five (5%) had died among those with diarrhoea (OR=7.06,95% CI=2.55-22.35, p<0.001). On rates of respiratory complications among cases, age groups 24-59 and 60+ months were protective by 57% (95% CI=11-79%) and 76% (95% CI=52-88%) respectively compared to the age group <24 months, and vaccination was protective by 42% (95% CI=2-65%) compared to those unvaccinated. Concerning rates of diarrhoea among cases, the age group 60+ months was protective by 80% (95% CI=62-89%) compared to age group <60 months, while vaccination was protective by 64% (95% CI=42-77%) compared to those unvaccinated. With respect to rates of mortality among cases, age was protective by six per cent (95% CI=3-9 %) for every year older.
CONCLUSION: It was concluded that: (a) the risk of death was higher in cases with respiratory complications than diarrhoea; (b) the risk of complications and death was inversely related to age at infection and older age groups were protective against occurrence of complications or death; (c) the risk of complications was higher in unvaccinated cases and vaccination was protective against occurrence of complications.