Summary statistics for patientthru2015 dataset :

by Jean Roth , jroth@nber.org , 28 Nov 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdr_report~y |  5,055,196     2729377     1545383         10    5339614
patient_se~r |          0
date_recei~d |  2,141,519    18682.33    1714.003      11693      20434
date_recei~r |          0
sequence_n~t |          0
-------------+---------------------------------------------------------
sequence_n~e |          0

by Jean Roth , jroth@nber.org , 28 Nov 2016