Table 3.

Fixed effects regression results.

	Model 1: acute myocardial infarction			Model 2: pneumonia			Model 3: heart failure
	Coefficient	SD	T stat	Coefficient	SD	T stat	Coefficient	SD	T stat
Operating revenues/patient (H1)
30-day readmission rate	−49.63	27.45	−1.81a	30.09	27.21	1.4	−102.52	88.43	−1.16
30-day mortality rate	790.75	483.73	1.03	−447.06	294.8	−1.52	−19.6	261.58	−0.07
2013	528.69	485.52	1.09	269.68	468.42	0.58	95.43	488.49	0.2
2014	1848.98	1359.84	1.36	1369.42	991.64	1.38	−120.52	796.57	−0.15
Constant	1266.3	7738.98	0.16	17885.21	3810.89	4.69	15440.6	2877.3	5.37
Adjusted R2	0.86			0.860			0.858
F statistic	2.06			28.25			3.94
Eta squared	0.02			0.28			0.05
Operating expenses/patient (H2)
30–day readmission rate	−51.02	24.12	−2.11b	13.83	23.24	0.6	−84.79	84.21	−1.01
30-day mortality rate	516.82	442.51	1.17	−353.14	287.4	−1.23	−121.43	199.76	−0.61
2013	178.21	468.36	0.38	−0.269	423.83	0	−104.45	470.24	−0.22
2014	1500.83	1300.12	1.15	1031.36	932.86	1.11	21.45	716.04	0.03
Constant	5330.8	7051.4	0.76	16817.81	3619.74	4.65	15952.04
Adjusted R2	0.86			0.93			0.86
F statistic	6.36			9.54			8.70
Eta squared	0.08			0.11			0.10
Operating margin (H3)
30-day Readmission rate	0.011	0.091	0.12	0.089	0.052	1.72a	−0.082	0.150	−0.54
30-day Mortality rate	1.487	0.923	1.61	−0.942	0.810	−1.16	0.507	0.618	0.82
2013	1.484	1.245	1.19	1.174	1.196	0.98	0.841	1.140	0.74
2014	1.332	1.741	0.77	1.000	1.591	0.63	−1.031	2.839	−0.36
Constant	−21.144	15.485	−1.37	13.187	10.397	1.27	−1.628	7.735	−0.21
Adj R2	0.587			0.574			0.534
F statistic	1.55			0.32			4.86
Eta squared	0.02			0.004			0.06

Note. CI = confidence interval.

^aIndicates significance at the 90% CI.

^bIndicates significance at the 95% CI.