Table 8 Mann-Whitney comparisons of metabolite levels, expressed in different units, between urban and rural populations
Population and metabolite assessed | Statistical significance (p value) of comparisons between the urban and rural population | ||
|---|---|---|---|
Comparison of weight-adjusted excretion rates (nmol/kg bw/h) | Comparison of volume-weighted concentrations (nmol/L) | Comparison of creatinine-adjusted concentrations (μmol/mol of creatinine) | |
Adults | |||
DCCA | 0.128 | 0.139 | 0.465 |
PBA | 0.016* | 0.010* | 0.093 |
Children | |||
DCCA | 0.032* | 0.042* | 0.029* |
PBA | 0.027* | 0.023* | 0.023* |