Summary statistics for drug2013q1 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    738,407    9.31e+07    4.29e+07   3.04e+07   8.93e+08
      caseid |    738,407     9020552    335954.8    3037529    9819975
    drug_seq |    738,407    5.244295    7.401261          1        191
    role_cod |          0
    drugname |          0
-------------+---------------------------------------------------------
     val_vbm |    738,407    1.080522    .2720998          1          2
       route |          0
    dose_vbm |          0
cum_dose_chr |     13,962    28157.01    205425.1     -10560   1.20e+07
cum_dose_u~t |          0
-------------+---------------------------------------------------------
      dechal |          0
      rechal |          0
     lot_num |          0
      exp_dt |      5,725    19704.64    7647.411    -345216     348069
   exp_dtstr |          0
-------------+---------------------------------------------------------
 exp_dt_mult |    738,407    .0002411    .0155242          0          1
     nda_num |    264,129    1.05e+11    3.29e+13          0   1.63e+16
    dose_amt |    297,625    965.9919      139642          0   4.80e+07
 dose_amtstr |          0
dose_amt_m~t |    738,407    .0005227    .0228577          0          1
-------------+---------------------------------------------------------
   dose_unit |          0
   dose_form |          0
   dose_freq |          0

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