Trends over 10 years in severity of edema in children admitted at Moyo Rehabilitation Unit with nutritional edema.

<p>Frequency of edema (+), (++), (+++) as defined by the World Health Organisation presented across years by solid lines and black dots coloured as per legend. Linear and non-linear trends tested with general additive models. Grey dashed lines indicate linear fit with significance at right: n.s., non-significant, *p<0.05, **p<0.01, ***p<0.001.</p> <p>(PDF)</p>