Statistical Analysis
Data distribution was analysed by parametric and non-parametric tools using mean (standard deviation) or median (range), and student t-tests or Mann-Whitney tests respectively. Relations between nominal data was assessed by chi squared analysis. Pearson correlation was used for parametric correlation analysis. Significance was deemed a p value <0.05. Analysis was completed using Microsoft Office Excel Version 16 (2018) and GraphPad Prism software Version 8 (2020).