Summary statistics for csts_chrgs2552_96_1996 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,002 13213.07 111.2369 13057 13422 fybstr | 0 fye | 6,002 13570.81 109.8605 13422 13818 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,002 4.69e+07 6.57e+07 1 6.78e+08 ip_charges | 5,999 6.22e+07 1.03e+08 1 1.32e+09 op_charges | 5,291 2.62e+07 3.64e+07 6 4.71e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018