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Table 6 Adjusted odds of operative mortality following lung transplantation at volume non-compliant hospitals.

From: Payer leverage and hospital compliance with a benchmark: a population-based observational study

COvariate Odds Ratio 95% Confidence Interval
Volume non-compliant 1.43 0.83 – 2.46
Female 0.95 0.75 – 1.20
Black 1.45 0.72 – 2.89
Insurance type   
   Medicare 1 (ref.) --
   Medicaid 0.83 0.59 – 1.16
   Private 0.78 0.47 – 1.29
Operative year   
   1993 1 (ref.) --
   1994 0.81 0.38 – 1.71
   1995 0.65 0.27 – 1.55
   1996 1.26 0.60 – 2.61
   1997 1.03 0.46 – 2.28
   1998 0.49 0.15 – 1.58
   1999 1.03 0.46 – 2.32
   2000 0.95 0.29 – 3.17
   2001 0.56 0.23 – 1.33
   2002 1.04 0.42 – 2.60
   2003 0.67 0.28 – 1.58
Count of Elixhauser codes 0.98 0.86 – 1.12
Hospital census region   
   Northeast 1 (ref.) --
   North-central 0.67 0.39 – 1.16
   South 0.87 0.50 – 1.53
   West 0.83 0.47 – 1.47
Hospital bedsize   
   Small 1 (ref.) --
   Medium 0.55 0.15 – 2.01
   Large 0.42 0.13 – 1.38
For-profit 1.17e-12 1.73e-13 – 7.93e-12
Private 0.86 0.47 – 1.55
Teaching 0.73 0.35 – 1.52