Data were checked manually for completeness and consistencies and then coded and entered into EPI Data version 3.1 software and exported to SPSS (statistical package for social science) version 23 software package for further analysis. Descriptive statistics were used to describe variables and summarize the data in the form of frequency, mean, standard deviation, cross-tabulation, table, and graph.

Multivariable Cox-regressions analysis models were used to determine the association between malnutrition and wound healing outcomes. The model assumption was checked by using Log (-Log) S (t) plots. Crude and adjusted hazard ratios with their 95% confidence interval (CI) were estimated, and P value less than 0.05 was considered as the significance level for associations between dependent and predictor variables.

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