Summary statistics for hosp_hsa_hrr_2011 dataset : by Jean Roth , jroth@nber.org , 14 Mar 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdrnum | 4,678 265866.3 153833.6 10001 670077 hospital | 0 hospcity | 0 hospstate | 0 -------------+--------------------------------------------------------- hsanum | 4,678 26410.83 15000.78 1001 53026 hsacity | 0 hsastate | 0 hrrnum | 4,678 256.127 122.0901 1 457 hrrcity | 0 -------------+--------------------------------------------------------- hrrstate | 0 year | 4,678 2011 0 2011 2011 by Jean Roth , jroth@nber.org , 14 Mar 2018