Summary statistics for drug2016q1 dataset :

by Jean Roth , jroth@nber.org , 6 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,204,281    1.27e+08    8.41e+07   3.35e+07   1.22e+09
      caseid |  1,204,281    1.18e+07    615158.4    3353858   1.23e+07
    drug_seq |  1,204,281    5.305404    6.870751          1        148
    role_cod |          0
    drugname |          0
-------------+---------------------------------------------------------
     prod_ai |          0
     val_vbm |  1,204,281    1.022872    .1494946          1          2
       route |          0
    dose_vbm |          0
cum_dose_chr |     25,076    329641.6    4.70e+07     -13800   7.45e+09
-------------+---------------------------------------------------------
cum_dose_u~t |          0
      dechal |          0
      rechal |          0
     lot_num |          0
      exp_dt |      3,354    21061.45    6312.311      15583     385735
-------------+---------------------------------------------------------
   exp_dtstr |          0
 exp_dt_mult |  1,204,281    .0000133     .003645          0          1
     nda_num |    466,022    7.28e+07    1.11e+10          0   3.40e+12
    dose_amt |    510,251    2875.154     1260439          0   7.60e+08
   dose_unit |          0
-------------+---------------------------------------------------------
   dose_form |          0
   dose_freq |          0

by Jean Roth , jroth@nber.org , 6 Apr 2017