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Table 3 Outpatient Access Linear and Log Models

From: Assessing the impact of state “opt-out” policy on access to and costs of surgeries and other procedures requiring anesthesia services

  Total number of surgical procedures (w/o county variables) Log of total number of surgical procedures (w/o county variables)
  b t b t
Opt out 1149.18 1.06 0.06 0.71
Lagged (year t-1) facility-level patient summary measures
 Percentage of female 10380.26 1.28 0.11 0.69
 Mean (CMS-HCC) risk score 9003.39 2.17 0.24 1.45
 Age distribution (%)
  <18 5126.30 0.48 0.04 0.06
  18_44 (reference)
  45_64 8195.99 0.84 0.52 1.18
  65_74 −29766.70 −0.86 −0.46 −1.31
  75 or older −13872.42 −1.10 0.76 1.26
 Percentage of routine discharge hospitalizations 2073.23 0.52 −0.08 −0.67
 Health insurance type (%)
  Private insurance
  Medicare −1380.08 −0.68 −0.25 −1.79
  Medicaid −10119.71 −0.93 −0.27 −1.04
  Others −10856.39 −1.07 −0.46** −5.48
 Freestanding −1043.54 −1.04 −0.08 −1.56
Year dummy variables
 1999.year (reference)
 2000.year −16.36 −0.05 0.05*** 11.74
 2001.year −923.90 −1.34 0.02* 3.63
 2002.year −876.51 −1.00 0.09*** 9.77
 2003.year 7386.10** 4.19 0.61*** 21.00
 2004.year 9061.60*** 16.62 0.76*** 36.50
 2005.year 10213.33*** 20.49 0.79*** 41.31
 2006.year 11373.59*** 22.15 0.84*** 43.80
 2007.year 32466.04*** 59.07 1.58*** 78.96
 2008.year 63228.57*** 202.11 2.26*** 73.62
 2009.year 62817.03*** 271.86 2.18*** 207.52
 2010.year 62829.63*** 143.72 2.15*** 162.03
 2011.year 62947.40*** 89.87 2.12*** 91.22
 2012.year 63165.88*** 57.08 2.14*** 74.13
 2013.year 64712.58*** 27.96 2.21*** 17.61
Constant −57093.83*** −15.05 5.98*** 18.56
N 7856   7856  
Squared (within) 0.3581   0.4638  
  1. Note: *p < 0.05; **p < 0.01; ***p < 0.001