Table 3 Mean change in clinical performance 2007–2010 by facility and neighborhood, and performance-level characteristics

N (%)

4259

4259

4191

All facilities

1.36 [1.25, 1.47]

−33.87 [−34.52, −33.22]

−0.80 [−0.97, −0.62]

 Others

1.57 [1.36, 1.78]

−30.94 [−32.25, −29.64]

−0.97 [−1.36, −0.57]

 Chain 1

1.18 [1.00, 1.36]

−43.63^a [−44.75,-42.53]

−0.25^a [−0.54, 0.04]

 Chain 2

1.25 [1.05, 1.45]

−32.32^a [−33.37,-32.27]

−0.96 [−1.24, −0.68]

 Independent

1.42 [1.11, 1.73]

−27.39^a [−28.94,-25.84]

−1.03 [−1.51, −0.55]

 Quartile 1 ≤ 8.6%

1.27 [1.03, 1.50]

−30.85 [−32.21, −29.49]

−0.32 [0.67, 0.04]

 Quartile 2 8.6%–15.7%

1.32 [1.11, 1.53]

−33.01 [−34.26, −31.76]

−0.96 [−1.42, −0.51]

 Quartile 3 15.7% -25%

1.47 [1.26, 1.69]

−34.97^a [−36.26,-33.68]

−0.80 [−1.12, −0.48]

 Quartile 4 > 25%

1.36 [1.14, 1.58]

−36.48^a [−37.73,-35.22]

−1.06^a [−1.35, −0.76]

 Quartile 1 ≤ 1.7%

1.31 [1.09, 1.53]

−33.19 [−34.50, −31.89]

−0.86 [−1.16, −0.55]

 Quartile 2 1.7% - 7.2%

1.38 [1.16, 1.60]

−33.81 [−35.11, −32.52]

−0.79 [−1.16, −0.42]

 Quartile 3 7.2% - 24.9%

1.30 [1.09, 1.50]

−34.52 [−35.83, −33.20]

−0.76 [−1.16, −0.37]

 Quartile 4 > 24.7%

1.42 [1.18, 1.66]

−34.05 [−35.31, −32.79]

−0.76 [−1.12, −0.41]

 1 0%

−0.16 [−0.26, −0.06]

−34.50 [−35.38, −33.82]

−1.58 [−1.78, −1.37]

 2 0.5%

2.27^a [2.09, 2.45]

−32.28 [−33.91, −30.65]

0.39^a [−0.04, 0.81]

 3 1%

4.16^a [3.98, 4.35]

−33.13 [−35.80, −30.46]

1.11^a [0.51, 1.72]

 4 ≥ 1.5%

7.78^a [7.44, 8.11]

−32.63 [−34.64, −30.62]

0.69^a [−0.04, 1.42]