Summary statistics for drug2018q3 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,651,966    1.81e+08    1.89e+08   4.01e+07   1.53e+09
      caseid |  1,651,966    1.48e+07    993235.1    3761426   1.55e+07
    drug_seq |  1,651,966    6.712038    10.12453          1        337
    role_cod |          0
    drugname |          0
-------------+---------------------------------------------------------
     prod_ai |          0
     val_vbm |  1,651,966    1.023067    .1501166          1          2
       route |          0
    dose_vbm |          0
cum_dose_chr |     53,262      268862    3.61e+07          0   7.45e+09
-------------+---------------------------------------------------------
cum_dose_u~t |          0
      dechal |          0
      rechal |          0
     lot_num |          0
      exp_dt |      6,009    21935.84    842.7681     -14714      51134
-------------+---------------------------------------------------------
   exp_dtstr |          0
 exp_dt_mult |  1,651,966    3.63e-06    .0019058          0          1
     nda_num |    541,568    9.75e+07    1.46e+10          0   2.22e+12
    dose_amt |    744,139    902.1497    159055.4          0   7.50e+07
   dose_unit |          0
-------------+---------------------------------------------------------
   dose_form |          0
   dose_freq |          0

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