Summary statistics for foidevchange dataset :

by Jean Roth , jroth@nber.org , 15 Apr 2019

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdr_report~y |    200,465     7596368     1881967      12132    8468144
implant_flag |          0
date_remov~g |          0
date_remov~r |          0
device_seq~o |          0
-------------+---------------------------------------------------------
date_recei~d |    200,465    21243.82    978.3325      12438      21639
date_recei~r |          0
  brand_name |          0
generic_name |          0
manufactu~me |          0
-------------+---------------------------------------------------------
manufactur~1 |          0
manufactur~2 |          0
manufactur~y |          0
manuf~e_code |          0
manuf~p_code |          0
-------------+---------------------------------------------------------
manufactur~t |          0
manuf~y_code |          0
manuf~l_code |          0
expiration~e |     41,834    19446.55    2025.896      -3652      21642
expiration~r |          0
-------------+---------------------------------------------------------
model_number |          0
  lot_number |          0
catalog_nu~r |          0
other_id_n~r |          0
device_op~or |    192,171     8.70393    9.160569         -4        600
-------------+---------------------------------------------------------
device_op~tr |          0
device_ava~y |    192,298    16.01297    3.189351         14         25
device_ava~r |          0
date_retu~er |     54,758    21362.73     773.844      12438      21641
date_retu~tr |          0
-------------+---------------------------------------------------------
device_rep~e |          0
device_age~t |          0
device_eva~n |    165,499    19.54684    3.670788         14         25
device_eva~r |          0
baseline_b~e |          0
-------------+---------------------------------------------------------
device_eve~y |          0

by Jean Roth , jroth@nber.org , 15 Apr 2019