Research Article
Inpatient Q Fever Frequency Is on the Rise
Table 1
Baseline characteristics.
| | Variable | Total | With IE | Without IE | value |
| | Demographics | | | | | | Age mean (SD) | 57.7 (40.4) | 62.1 (33.6) | 56.8 (41.4) | <0.001 | | Female gender | 788 (29.3%) | 110 (24.4%) | 678 (30.3%) | 0.1138 | | Race | | | | | | White | 1689 (62.9%) | 273 (60.5%) | 1416 (63.4%) | 0.2479 | | Black | 189 (7.0%) | 35 (7.8%) | 154 (6.9%) | | | Hispanic | 406 (15.1%) | 79 (17.6%) | 326 (14.6%) | | | Other | 215 (8.0%) | 20 (4.4%) | 195 (8.7%) | | | Comorbidities | | | | | | Transplant | 85 (3.2%) | — | 80 (3.6%) | <0.0001 | | Malignancy | 344 (12.8%) | — | 334 (14.9%) | <0.0001 | | PVD | 303 (11.3%) | 90 (20.0%) | 213 (9.5%) | 0.0015 | | Heart failure | 680 (25.3%) | 233 (51.7%) | 447 (20.0%) | <0.0001 | | Pulmonary HTN | 200 (7.5%) | 64 (14.2%) | 136 (6.1%) | 0.0008 | | CKD | 588 (21.9%) | 143 (31.7%) | 445 (19.9%) | 0.002 | | Valvular disease | 660 (24.6%) | 367 (81.4%) | 293 (13.1%) | <0.0001 | | Acute stroke | 177 (6.6%) | 59 (13.1%) | 118 (5.3%) | 0.0003 | | AMI | 80 (3.0%) | 30 (6.7%) | 50 (2.2%) | 0.0097 | | CAD | 430 (16.0%) | 115 (25.5%) | 315 (14.1%) | 0.0011 | | Hospital location | | | | | | Central metropolitan | 790 (29.4%) | 117 (26.0%) | 673 (30.1%) | 0.3039 | | Fringe metropolitan | 444 (16.5%) | 50 (11.1%) | 394 (17.6%) | | | Medium metropolitan | 485 (18.1%) | 94 (20.9%) | 391 (17.5%) | | | Small metropolitan | 283 (10.5%) | 50 (11.1%) | 233 (10.4%) | | | Micropolitan counties | 317(11.8%) | 55 (12.1%) | 263 (11.8%) | | | Other | 346 (12.9%) | 70 (15.5%) | 276 (12.4%) | | | Socioeconomic status | | | | | | 0–25th percentile | 763 (28.4%) | 124 (27.4%) | 639 (28.6%) | 0.0768 | | 26th–50th percentile (median) | 718 (26.7%) | 85 (18.9%) | 633 (28.3%) | | | 51st–75th percentile | 714 (26.6%) | 147 (32.6%) | 567 (25.4%) | | | 76th–100th percentile | 436 (16.3%) | 80 (17.7%) | 356 (16.0%) | | | Primary payor | | | | | | Medicare | 1126 (42.0%) | 219 (48.6%) | 907 (40.6%) | <0.0001 | | Medicaid | 440 (16.4%) | 62 (13.9%) | 378 (16.9%) | | | Private | 890 (33.1%) | 99 (22.0%) | 790 (35.4%) | | | Other | 229 (8.5%) | 70 (15.6%) | 159 (7.1%) | |
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AMI: acute myocardial infarction. CAD: coronary artery disease. CKD: chronic kidney disease. HTN: hypertension. PVD: peripheral vascular disease. SD: standard deviation.
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