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Literature review for - Flourish Paediatrics

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heterogeneity), (P = .04) and<br />

dominated by the larger size of the<br />

Belarussian study. The pooled WMD<br />

was -2.26 (95% CI -16.94- 12.42) g<br />

per month. Akeson 1996a, Heinig<br />

1993, and Kramer 2000a reported on<br />

weight gain from 8-12 months<br />

(outcome three); the WMD was -<br />

1.82 (95% CI -16.72-13.08) g per<br />

month, which excludes a reduced<br />

length gain in the EBF group of 5%<br />

of the mean and 10% of the SD <strong>for</strong><br />

the Belarussian study. For length<br />

gain at three to eight months<br />

(outcome four), the studies again<br />

show significant (P < .01)<br />

heterogeneity. Kramer 2000a found a<br />

slightly but significantly lower<br />

length gain in the EBF<br />

group at four to eight months<br />

(difference -1.1 (95% CI -1.7- - 0.5)<br />

mm per month), whereas the pooled<br />

analysis yielded a WMD of - 0.4<br />

(95% CI -0.7 - 0.0) mm per month;<br />

the lower confidence limit is<br />

statistically compatible with a<br />

reduced length gain of less than 4%<br />

of the mean and 10% of the SD <strong>for</strong><br />

the Belarussian study. Heinig 1993<br />

and Kramer 2000a also reported on<br />

length gain at 6-9 months (WMD -<br />

0.4 (95% CI -1.0 - 0.1) mm per<br />

children on whom the US NCHS growth<br />

curves were based. Exclusive<br />

breastfeeding reduced HIV transmission<br />

compared with partial was reported in 1<br />

study and a further study showed that<br />

HIV-free survival did not differ in infants<br />

who were HIV-negative at 4 months and<br />

were abruptly weaned or continued to be<br />

breastfed. Authors created a cohort model<br />

of child mortality and stunting by<br />

modelling the survival and linear growth<br />

status of the annual birth cohort of<br />

children from birth until 3 years in 36<br />

countries with 90% of the global burden<br />

of stunted children. In children aged 6-23<br />

months the baseline breastfeeding<br />

category is breastfed (RR 1.0) vs. non<br />

breastfed (RR 2.3). Using this model,<br />

authors reported that mortality risk ratio<br />

<strong>for</strong> exclusive breastfeeding (age

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