Table 3.
Hospital Characteristics
| Annual Hospital Volume of Cardiogenic Shock Weighted N (%) | P Value | ||||
|---|---|---|---|---|---|
| ≤27 Cases | 28 to 58 Cases | 59 to 106 Cases | ≥107 Cases | ||
| Transfer into the hospital | |||||
| Not transferred in | 69 887 (90.94) | 64 075 (83.28) | 62 907 (76.81) | 64 223 (64.42) | <0.001 |
| Transferred from another acute care hospital | 4350 (5.66) | 10 118 (13.15) | 15 990 (19.52) | 32 009 (32.11) | |
| Transferred from another health facility | 2611 (3.40) | 2750 (3.57) | 3000 (3.66) | 3456 (3.47) | |
| Transfer out of the hospital | |||||
| Not a transfer | 27 156 (66.35) | 31 642 (70.37) | 28 252 (71.13) | 42 322 (74.40) | <0.001 |
| Transferred out to a different acute care hospital | 5113 (12.49) | 3133 (6.97) | 1685 (4.24) | 1463 (2.57) | |
| Transferred out to another type of health facility | 8660 (21.16) | 10 193 (22.67) | 9779 (24.62) | 13 098 (23.03) | |
| Admission source | |||||
| Emergency department | 53 285 (73.05) | 44 109 (61.83) | 33 581 (53.59) | 17 702 (42.23) | <0.001 |
| Another hospital | 4102 (5.62) | 8389 (11.76) | 13 303 (21.23) | 11 309 (26.98) | |
| Another health facility | 1663 (2.28) | 1994 (2.80) | 2438 (3.89) | 993 (2.37) | |
| Teaching status | |||||
| Urban nonteaching | 76 154 (57.64) | 62 556 (49.02) | 50 534 (39.96) | 7842 (6.04) | <0.001 |
| Urban teaching | 30 545 (23.12) | 60 678 (47.55) | 72 436 (57.29) | 122 067 (93.96) | |
| Bed size of hospital | |||||
| Small | 29 245 (22.14) | 7141 (5.60) | 5664 (4.48) | 1118 (0.86) | <0.001 |
| Medium | 47 140 (35.68) | 32 333 (25.34) | 22 587 (17.86) | 3089 (2.38) | |
| Large | 55 729 (42.18) | 88 136 (69.07) | 98 195 (77.66) | 125 701 (96.76) | |
| Hospital region | |||||
| Northeast | 24 424 (18.31) | 17 974 (14.02) | 21 624 (16.92) | 30 132 (23.10) | 0.02 |
| Midwest | 32 356 (24.26) | 27 664 (21.58) | 31 578 (24.70) | 27 133 (20.80) | |
| South | 51 182 (38.38) | 48 500 (37.84) | 35 708 (27.94) | 52 304 (40.09) | |
| West | 25 396 (19.04) | 34 032 (26.55) | 38 912 (30.44) | 20 887 (16.01) | |
| Median household income for the patient's ZIP code | |||||
| 0 to 25th percentile | 37 608 (28.97) | 33 609 (26.86) | 31 385 (25.17) | 37 514 (29.50) | 0.01 |
| 26th to 50th percentile | 37 239 (28.69) | 31 260 (24.98) | 32 795 (26.30) | 31 285 (24.60) | |
| 51st to 75th percentile | 29 511 (22.73) | 31 801 (25.41) | 31 235 (25.05) | 31 263 (24.59) | |
| 76th to 100th percentile | 25 457 (19.61) | 28 469 (22.75) | 29 280 (23.48) | 27 099 (21.31) | |