what is the difference between censored data and non healing data? how does a cox predict healing time how long should follow ups be based on healing time how long do you need to do follow up how long can a wound last after healing how long after insult will follow up be healed how long after insult does healing take how to analyze healing time how to analyze healing time when to analyze healing time with cox models time for healing after insult how to analyze healing time how to analyze healing time how to analyze healing time for censored data healing time for non healed how to analyze healing time how to analyze healing time vs. recovery time how to analyze healing time how to calculate healing time how to analyze healing time