TABLE 1 ] .
Hospital Characteristics
| ICU Admission Rate for PE | |||||
| Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 | ||
| Characteristic | ≤ 15% | > 15%-21% | > 21%-31% | > 31% | P Valuea |
| Type of hospital (n = 263) | .15 | ||||
| Government | 13 (19.7) | 11 (16.7) | 19 (28.8) | 18 (27.7) | |
| Not for profit | 52 (78.8) | 51 (77.3) | 46 (69.7) | 45 (69.2) | |
| For profit | 1 (1.5) | 4 (6.1) | 1 (1.5) | 2 (3.1) | |
| Critical access hospital (n = 261) | 2 (3.0) | 3 (4.6) | 3 (4.6) | 4 (6.3) | .40 |
| Medical school affiliation (n = 263) | 28 (42.4) | 19 (28.8) | 15 (22.7) | 22 (33.9) | .21 |
| Teaching status (n = 263) | .99 | ||||
| No residents | 32 (48.5) | 43 (65.2) | 35 (53.0) | 34 (52.3) | |
| Minor teaching program (< 0.25 residents/bed) | 23 (34.8) | 11 (16.7) | 20 (30.3) | 20 (30.8) | |
| Major teaching program (> 0.25 residents/bed) | 11 (16.7) | 12 (18.2) | 11 (16.7) | 11 (16.9) | |
| Hospital beds (n = 263) | .09 | ||||
| ≤ 100 | 7 (10.6) | 10 (15.2) | 10 (15.2) | 15 (23.1) | |
| 101-200 | 17 (25.8) | 23 (34.9) | 24 (36.4) | 13 (20.0) | |
| 201-300 | 16 (24.2) | 10 (15.2) | 12 (18.2) | 17 (26.2) | |
| 301-400 | 7 (10.6) | 7 (10.6) | 10 (15.2) | 9 (13.9) | |
| > 400 | 19 (28.8) | 16 (24.2) | 10 (15.2) | 11 (16.9) | |
| Percentage of ICU beds (No. = 263) | .82 | ||||
| ≤ 5 | 13 (19.7) | 8 (12.1) | 12 (18.2) | 13 (20.0) | |
| > 5-7.5 | 20 (30.3) | 20 (30.3) | 18 (27.3) | 15 (23.1) | |
| > 7.5-10 | 13 (19.7) | 19 (28.8) | 13 (19.7) | 18 (27.7) | |
| > 10-12.5 | 11 (19.7) | 8 (12.1) | 14 (21.2) | 8 (12.3) | |
| > 12.5-15 | 2 (3.0) | 2 (3.0) | 3 (4.6) | 5 (7.69) | |
| > 15 | 7 (10.6) | 9 (13.6) | 6 (9.1) | 6 (9.2) | |
| Total patients per hospital with primary discharge diagnosis of PE during study period, median (IQR) | 297 (168-478) | 153 (96-343) | 142.5 (89-219) | 101 (52-190) | < .01 |
| PE ICU admission rate during study period, median (IQR), % | 11.4 (9.1-13.0) | 18.1 (16.8-19.0) | 24.6 (23.1-26.6) | 42.1 (35.1-55.9) | < .01 |
Data are presented as No. (%) unless otherwise noted. IQR = interquartile range; PE = pulmonary embolism.
a
Using χ2 or nonparametric tests for trend and nonparametric equality of medians tests.