Summary statistics for hosp_hsa_hrr_2007 dataset : by Jean Roth , jroth@nber.org , 14 Mar 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdrnum | 4,251 261574.3 149927.1 10001 670004 hospital | 0 hospcity | 0 hospstate | 0 -------------+--------------------------------------------------------- hsanum | 4,251 26167.63 14974.88 1001 53026 hsacity | 0 hsastate | 0 hrrnum | 4,251 253.7448 122.1551 1 457 hrrcity | 0 -------------+--------------------------------------------------------- hrrstate | 0 year | 4,251 2007 0 2007 2007 by Jean Roth , jroth@nber.org , 14 Mar 2018