Summary statistics for hosp_hsa_hrr_2005 dataset : by Jean Roth , jroth@nber.org , 14 Mar 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdrnum | 4,271 261202.3 149417.8 10001 531312 hospital | 0 hospcity | 0 hospstate | 0 -------------+--------------------------------------------------------- hsanum | 4,271 26148.35 14944.48 1001 53026 hsacity | 0 hsastate | 0 hrrnum | 4,271 253.5233 122.0687 1 457 hrrcity | 0 -------------+--------------------------------------------------------- hrrstate | 0 year | 4,271 2005 0 2005 2005 by Jean Roth , jroth@nber.org , 14 Mar 2018