The role of El Niño Southern Oscillation (ENSO) on variations of monthly Plasmodium falciparum malaria cases at the Cayenne General Hospital, 1996-2009, French Guiana.

The role of El Niño Southern Oscillation (ENSO) on variations of monthly Plasmodium falciparum malaria cases at the Cayenne General Hospital, 1996-2009, French Guiana.
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DOI:
10.1186/1475-2875-10-100
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发表时间:
2011-04-22
期刊:
影响因子:
3
通讯作者:
Carme B
Carme B
中科院分区:
医学3区
文献类型:
--
作者:
Hanf M;Adenis A;Nacher M;Carme B

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疟疾仍然是法属圭亚那的一个严重问题,该国面临与厄尔尼诺事件有关的干旱的潜在风险,在厄尔尼诺事件发生后可能有疟疾流行的风险。利用ARIMA软件进行时间序列分析,研究1996至2009年间卡宴总医院南方涛动指数(SOI)测量的厄尔尼诺南方涛动(ENSO)与每月恶性疟原虫病例数之间的时间相关性。数据显示,滞后三个月的厄尔尼诺现象对恶性疟原虫病例有积极影响(p<0.001)。将SOI数据纳入ARIMA模型后,AIC降低了4%。尽管有统计上的联系,但在法属圭亚那,ENSO调节预防干预的预测价值似乎微乎其微。然而,额外的工作应该完善疟疾对ENSO国家的区域依赖。
Malaria remains a serious problem in French Guiana, which is at potential risk for drought linked with the El Niño Event and where there could be a risk of malaria epidemic after the onset of an El Niño event. A time series analysis using ARIMA was developed to investigate temporal correlations between the monthly Plasmodium falciparum case numbers and El Niño Southern Oscillation (ENSO) as measured by the Southern Oscillation Index (SOI) at the Cayenne General Hospital between 1996 and 2009. The data showed a positive influence of El Niño at a lag of three months on P. falciparum cases (p < 0.001). The incorporation of SOI data in the ARIMA model reduced the AIC by 4%. Although there is a statistical link, the predictive value of ENSO to modulate prevention intervention seems marginal in French Guiana. However, additional work should refine the regional dependence of malaria on the ENSO state.
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