Summary statistics for patient dataset :

by Jean Roth , jroth@nber.org , 

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdr_report~y |    681,512     7498489    197481.3    7156369    7840460
patient_se~r |          0
date_recei~d |    270,409    21363.11    103.0202      18450      21526
date_recei~r |          0
sequence_n~t |          0
-------------+---------------------------------------------------------
sequence_n~e |          0

by Jean Roth , jroth@nber.org ,