TABLE 3 ] .
Elixhauser Comorbidities by Quartile
| ICU Admission Rate for PE | |||||
| Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 | ||
| Comorbidity | ≤ 15% | > 15%-21% | > 21%-31% | > 31% | P Valuea |
| Congestive heart failure | 2,613 (11.6) | 1,847 (12.1) | 1,445 (12.0) | 1,267 (11.8) | .59 |
| Valvular disease | 1,110 (5.0) | 722 (4.7) | 688 (5.7) | 556 (5.2) | .04 |
| Pulmonary circulation disorders | 1,559 (6.9) | 984 (6.4) | 837 (6.9) | 555 (5.2) | < .01 |
| Peripheral vascular disorders | 833 (3.7) | 543 (3.6) | 387 (3.2) | 402 (3.7) | .44 |
| Hypertension | 11,261 (50.1) | 7,223 (50.5) | 6,046 (50.1) | 5,464 (50.8) | .42 |
| Paralysis | 425 (1.9) | 294 (1.9) | 251 (2.1) | 255 (2.4) | < .01 |
| Other neurologic disorders | 1271 (5.7) | 760 (5.0) | 668 (5.5) | 576 (5.4) | .40 |
| Chronic pulmonary disease | 4,800 (21.4) | 3,287 (21.5) | 2,907 (24.1) | 2,293 (21.3) | .03 |
| Diabetes, uncomplicated | 3,720 (16.6) | 2,508 (16.4) | 2,126 (17.6) | 1,816 (16.9) | .10 |
| Diabetes, complicated | 391 (1.7) | 258 (1.7) | 189 (1.6) | 167 (1.6) | .13 |
| Hypothyroidism | 2,218 (9.9) | 1,460 (9.6) | 1,220 (10.1) | 1,065 (9.9) | .66 |
| Renal failure | 1,949 (8.7) | 1,098 (7.2) | 929 (7.7) | 867 (8.1) | .02 |
| Liver disease | 390 (1.7) | 202 (1.3) | 176 (1.5) | 168 (1.6) | .14 |
| Peptic ulcer disease, excluding bleeding | 9 (< 0.1) | 3 (< 0.1) | 12 (0.1) | 5 (0.1) | .20 |
| AIDS | 30 (0.1) | 19 (0.1) | 18 (0.2) | 24 (0.2) | .07 |
| Lymphoma | 356 (1.6) | 196 (1.3) | 169 (1.4) | 123 (1.1) | .03 |
| Metastatic cancer | 2,213 (9.9) | 1,171 (7.7) | 970 (8.0) | 790 (7.3) | < .01 |
| Solid tumor | 1,404 (6.3) | 883 (5.8) | 756 (6.3) | 595 (5.5) | .05 |
| Rheumatoid arthritis or collagen vascular disease | 747 (3.3) | 433 (2.8) | 394 (3.3) | 349 (3.2) | .86 |
| Coagulopathy | 1,116 (5.0) | 682 (4.5) | 487 (4.0) | 469 (4.4) | < .01 |
| Obesity | 3,078 (13.7) | 1,945 (12.7) | 1,686 (14.0) | 1,432 (13.3) | .80 |
| Weight loss | 778 (3.5) | 370 (2.4) | 342 (2.8) | 275 (2.6) | < .01 |
| Fluid and electrolyte disorders | 3,896 (17.3) | 2,651 (17.3) | 1,950 (16.2) | 1,840 (17.1) | .11 |
| Blood loss anemia | 309 (1.4) | 207 (1.4) | 140 (1.2) | 158 (1.5) | .94 |
| Deficiency anemias | 3,508 (15.6) | 2,213 (14.5) | 1,746 (14.5) | 1,682 (15.6) | .42 |
| Alcohol abuse | 576 (2.6) | 332 (2.2) | 321 (2.7) | 263 (2.4) | .94 |
| Drug abuse | 446 (2.0) | 257 (1.7) | 278 (2.3) | 205 (1.9) | .53 |
| Psychoses | 673 (3.0) | 474 (3.1) | 386 (3.2) | 342 (3.2) | .27 |
| Depression | 2,360 (10.5) | 1,396 (9.1) | 1,286 (10.7) | 1,069 (9.9) | .48 |
Data are presented as No. (%) unless otherwise noted. See Table 1 legend for expansion of abbreviation.
a
Using nonparametric tests for trend.