CUMULATED AMBULATORY SCORE (CAS) Allows day-to-day measurement of patient's basic mobility Early post-op predictor of short-term outcome Reliable and valid predictor for length of hospitalisation, 30 day mortality and time to discharge status Scored 0-6 each day Scores from first 3 days post-surgery are combined to obtain 3 day CAS 3 day CAS of > or equal to 10 = 99% survival rate at 1 month, and 93% will be discharged home Reference: Foss, NB, Kristensen MT, Kehlet, H.
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