Summary statistics for drug2015q1 dataset :

by Jean Roth , jroth@nber.org , 19 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,083,774    1.11e+08    6.24e+07   3.50e+07   1.07e+09
      caseid |  1,083,774    1.06e+07    496918.7    3503293   1.12e+07
    drug_seq |  1,083,774    5.233921    7.094257          1        192
    role_cod |          0
    drugname |          0
-------------+---------------------------------------------------------
     prod_ai |          0
     val_vbm |  1,083,774    1.031507    .1746849          1          2
       route |          0
    dose_vbm |          0
cum_dose_chr |     18,138    30921.06      251316          0   1.72e+07
-------------+---------------------------------------------------------
cum_dose_u~t |          0
      dechal |          0
      rechal |          0
     lot_num |          0
      exp_dt |      3,449    20521.01    479.0289      13546      23898
-------------+---------------------------------------------------------
   exp_dtstr |          0
 exp_dt_mult |  1,083,774    .0000314     .005601          0          1
     nda_num |    402,126    1.25e+21    7.90e+23          0   5.01e+26
    dose_amt |    469,729    1239.403    257315.4          0   1.52e+08
 dose_amtstr |          0
-------------+---------------------------------------------------------
dose_amt_m~t |  1,083,774    .0003322    .0182226          0          1
   dose_unit |          0
   dose_form |          0
   dose_freq |          0

by Jean Roth , jroth@nber.org , 19 Apr 2017