The relevant interactions between any two variables
were tested with the Wald test.
Cases with one or more missing values among the
characteristics of women, delivery and PPH management
were not included in the multivariate analyses (n = 49
Women, 1,5 % of total).
We estimated the relative contribution of characteristics
of women, PPH management factors and institutional
factors to the variability of maternal mortality
between hospitals. To that purpose, we used the ratios
of the random intercept variances [20].
The data were analyzed with Stata v.12 Software (Stata
Corporation, College Station, TX).
The relevant interactions between any two variableswere tested with the Wald test.Cases with one or more missing values among thecharacteristics of women, delivery and PPH managementwere not included in the multivariate analyses (n = 49Women, 1,5 % of total).We estimated the relative contribution of characteristicsof women, PPH management factors and institutionalfactors to the variability of maternal mortalitybetween hospitals. To that purpose, we used the ratiosof the random intercept variances [20].The data were analyzed with Stata v.12 Software (StataCorporation, College Station, TX).
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