You are viewing the site in preview mode

Skip to main content

Advertisement

Table 1 Health Service Area (HSA) characteristics, 1997–2002

From: Incorporating health care quality into health antitrust law

HSA Mean hospitals per year Minimum hospitals per year Maximum hospitals per year Mean market HHI (st. deviation) Mean CABG HHI (st. deviation) Mean CABG volume (st. deviation) Mean HMO penetration (st. deviation)
1 1.83 1 2 0.0507 (0.00489) 0.645 (0.134) 387.91 (217.86) 0.129 (0.0330)
2 3.17 2 4 0.084 (0.00128) 0.545 (0.0907) 410.53 (381.62) 0.705 (0.0116)
3 1.67 1 2 0.114 (0.00843) 0.610 (0.206) 203.6 (47.77) 0.592 (0.0490)
4 6.83 5 8 0.0888 (0.00519) 0.278 (0.0652) 273.98 (279.93) 0.558 (0.0473)
5 4.67 4 6 0.0704 (0.00612) 0.316 (0.0752) 187.61 (169.61) 0.649 (0.0185)
6 3.17 3 4 0.0777 (0.00458) 0.379 (0.0509) 278.52 (130.44) 0.530 (0.0537)
7 1.67 1 3 0.124 (0.0258) 0.675 (0.252) 134.4 (95.08) 0.591 (0.0205)
8 1.83 1 2 0.123 (0.0157) 0.601 (0.136) 197.36 (89.0) 0.271 (0.0127)
9 1.0 1 1 0.0643 (0.0107) 1 (0) 340.33 (52.92) 0.230 (0.0759)
10 2.0 1 3 0.0855 (0.00475) 0.536 (0.227) 196.83 (77.93) 0.419 (0.0211)
11 19.17 17 25 0.0155 (0.00107) 0.095 (0.0305) 208.06 (206.86) 0.485 (0.0403)
12 2.0 1 3 0.0498 (0.00273) 0.386 (0.0797) 282.33 (178.66) 0.540 (0.0328)
13 5.83 1 9 0.0434 (0.00655) 0.187 (0.144) 204.37 (67.38) 0.532 (0.0532)
14 6.33 4 8 0.0551 (0.00179) 0.178 (0.0413) 277.68 (84.74) 0.514 (0.0309)