Summary statistics for foidev dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdr_report~y |    262,660     8337691     75268.2    8207324    8470499
implant_flag |          0
date_remov~g |          0
date_remov~r |          0
device_seq~o |          0
-------------+---------------------------------------------------------
date_recei~d |    262,660    21594.23    26.14683      19473      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 |     30,597    20016.52    1969.585      -3652      21642
expiration~r |          0
-------------+---------------------------------------------------------
model_number |          0
  lot_number |          0
catalog_nu~r |          0
other_id_n~r |          0
device_op~or |    251,728    9.659104    2.780692         -1         12
-------------+---------------------------------------------------------
device_op~tr |          0
device_ava~y |    253,458    15.97597    3.438043         14         25
device_ava~r |          0
date_retu~er |     54,587    21560.86    113.3214      16173      21641
date_retu~tr |          0
-------------+---------------------------------------------------------
device_rep~e |          0
device_age~t |          0
device_eva~n |    199,346     18.9361    3.489198         14         25
device_eva~r |          0
baseline_b~e |          0
-------------+---------------------------------------------------------
device_eve~y |          0

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