Summary statistics for asc_quality_facility dataset : by Jean Roth , jroth@nber.org , 16 Nov 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider_id | 0 asc_name | 0 npi | 4,313 1.50e+09 2.87e+08 1.00e+09 1.99e+09 city | 0 state | 0 -------------+--------------------------------------------------------- zip_code | 4,311 51898.95 29846.2 614 99709 asc6_ssche~t | 0 asc_7_volume | 4,308 3856.838 10047.36 0 604400 asc_7_gast~l | 4,308 1807.957 9765.406 0 604400 asc_7_eye | 4,308 722.4749 1486.543 0 23922 -------------+--------------------------------------------------------- asc_7_nerv~m | 4,308 710.7407 1772.802 0 32714 asc_7_musc~l | 4,308 393.4116 898.8114 0 18263 asc_7_skin | 4,308 83.93361 394.0996 0 14029 asc_7_geni~y | 4,308 138.3201 1382.264 0 76942 asc7_footn~e | 5 5 0 5 5 -------------+--------------------------------------------------------- asc_6~t_date | 0 asc_6~d_date | 0 provider | 0 by Jean Roth , jroth@nber.org , 16 Nov 2016