Comparison of all the characteristics with the different outcomes.

eGFR, estimated glomerular filtration rate.†overall differences between groups;‡significant difference from groups.a: between healed and unhealed;b: between healed and amputated;c: between healed and death.Comparison of all the characteristics with the different outcomes.eGFR（estimated glomerular filtration rate，估算肾小球滤过率）。† 组间总体差异；‡ 与各组间存在显著差异。a：愈合组与未愈合组之间；b：愈合组与截肢组之间；c：愈合组与死亡组之间。所有特征与不同临床结局的比较分析。