Article Figures & Data
Tables
- Table 1.
Baseline Characteristics of Patients Admitted to Teaching Hospitals for Acute Myocardial Infarction, Heart Failure, or Pneumonia, from the 2011 Nationwide Inpatient Sample
Characteristics All Hospitals Teaching Hospitals Non–Teaching Hospitals P Value Patients 544,127 (100) 227,938 (42) 316,189 (58) Male 278,414 (51) 120,437 (53) 157,977 (50) <.0001 Female 265,391 (49) 107,386 (47) 158,005 (50) Age (years) <.0001 Mean 67.2 65.1 68.7 Median 71 69 73 IQR 57–82 55–81 59–83 Race <.0001 White 352,664 (65) 131,734 (57) 220,930 (70) Black 72,858 (13) 40,056 (18) 32,802 (10) Hispanic 40,208 (7) 17,940 (8) 22,268 (7) Other 78,397 (14) 38,208 (17) 40,189 (13) Reason for admission <.0001 AMI 122,280 (22) 59,470 (26) 62,810 (20) Heart failure 197,042 (36) 84,646 (37) 112,396 (36) Pneumonia 224,805 (41) 83,822 (37) 140,983 (45) Charlson score <.0001 0 122,921 (23) 52,749 (23) 70,172 (22) 1–2 192,164 (35) 78,440 (34) 113,724 (40) ≥3 229,042 (42) 96,749 (42) 132,293 (42) Hospital location <.0001 Rural 85,198 (16) 4,937 (2) 80,261 (25) Urban 458,929 (84) 223,001 (98) 235,928 (75) Hospital region <.0001 Northeast 105,969 (19) 59,774 (26) 46,195 (15) Midwest 128,125 (24) 57,329 (25) 70,796 (22) South 221,009 (41) 86,703 (38) 134,306 (42) West 89,024 (16) 24,132 (11) 64,892 (21) Insurance status <.0001 Private 100,305 (18) 45,478 (20) 54,827 (17) Medicaid 52,823 (10) 26,749 (12) 26,074 (8) Medicare 355,425 (65) 140,061 (61) 215,364 (68) Other 35,574 (7) 15,650 (7) 19,924 (6) Data are n () unless otherwise indicated. Bold values represent significant P-values.
AMI, acute myocardial infarction; IQR, interquartile range.
- Table 2.
Adjusted Odds Ratio for Mortality in First Academic Quarter Compared with All Other Quarters in Teaching Versus Non–Teaching Hospitals, from the 2011 Nationwide Inpatient Sample
Diagnosis at Admission Death in First Academic Quarter Compared with Other Quarters, OR (95% CI) In Teaching Hospitals In Non–Teaching Hospitals All admissions 1.076 (1.041–1.112) 0.938 (0.918–0.959) AMI 1.217 (1.147–1.290) 0.849 (0.815–0.885) Heart failure 1.051 (0.992–1.114) 0.927 (0.892–0.963) Pneumonia 1.015 (0.959–1.074) 1.012 (0.979–1.047) AMI, acute myocardial infarction; CI, confidence interval; OR, odds ratio.
- Table 3.
Adjusted Mean Cost per Admission by Quarters in Teaching Hospitals, from the 2011 Nationwide Inpatient Sample
Diagnosis at Admission Mean Cost per Admission in Teaching Hospitals ($) Difference ($) P Value 1st Academic Quarter Other Quarters All admissions 13,874 13,501 373 <.0001 AMI 22,951 22,594 357 .1385 Heart failure 12,950 12,366 584 <.0001 Pneumonia 10,721 10,745 −24 .8063 AMI, acute myocardial infarction.
- Table 4.
Adjusted Mean Length of Stay per Admission by Quarters in Teaching Hospitals, from the 2011 Nationwide Inpatient Sample
Diagnosis at Admission Mean LOS per Admission in Teaching Hospitals (Days) Difference P Value 1st Academic Quarter Other Quarters All admissions 5.12 5.05 0.07 <.0001 AMI 4.74 4.74 0.0 .8077 Heart failure 5.26 5.16 0.10 .0127 Pneumonia 5.17 5.12 0.05 .2411 AMI, acute myocardial infarction; LOS, length of stay.
