Summary statistics for drug2018q4 dataset :

by Jean Roth , jroth@nber.org , 7 Mar 2019

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,546,835    1.83e+08    1.86e+08   3.67e+07   1.56e+09
      caseid |  1,546,835    1.51e+07     1094160    3670355   1.59e+07
    drug_seq |  1,546,835    7.201297    11.60277          1        310
    role_cod |          0
    drugname |          0
-------------+---------------------------------------------------------
     prod_ai |          0
     val_vbm |  1,546,835    1.022528    .1483929          1          2
       route |          0
    dose_vbm |          0
cum_dose_chr |     49,001    58156.82     5321160          0   1.16e+09
-------------+---------------------------------------------------------
cum_dose_u~t |          0
      dechal |          0
      rechal |          0
     lot_num |          0
      exp_dt |      4,607    22035.36    422.7047      11352      25202
-------------+---------------------------------------------------------
   exp_dtstr |          0
 exp_dt_mult |  1,546,835    1.94e-06    .0013926          0          1
     nda_num |    499,438    2.68e+08    2.45e+10          0   3.40e+12
    dose_amt |    650,429    598.7379    85133.95          0   3.61e+07
   dose_unit |          0
-------------+---------------------------------------------------------
   dose_form |          0
   dose_freq |          0

by Jean Roth , jroth@nber.org , 7 Mar 2019