Table 1.
Clinical Characteristics
| All | RRT | Control | P a | |
|---|---|---|---|---|
| n | 366 | 71 | 295 | |
| Age, median (IQR), y | 62 (50–74) | 62 (53–71) | 62 (49–75) | .99 |
| Female | 189 (52) | 36 (51) | 153 (52) | .90 |
| Race | .10 | |||
| White | 198 (54) | 32 (45) | 166 (56) | |
| Black | 140 (38) | 35 (49) | 105 (36) | |
| Other | 28 (8) | 4 (6) | 24 (8) | |
| Charlson comorbidity index, median (IQR) | 3 (1–5) | 6 (4–7) | 2 (1–4) | <.0001 |
| Diabetes mellitus | 152 (42) | 44 (62) | 108 (37) | <.0001 |
| Cardiac diseaseb | 144 (39) | 45 (63) | 99 (34) | <.0001 |
| Type of infection | .01 | |||
| Bloodstream infection | 92 (25) | 21 (30) | 71 (24) | |
| Pneumonia | 80 (22) | 16 (23) | 64 (22) | |
| Urinary tract infection | 109 (30) | 10 (14) | 99 (34) | |
| Wound infection | 40 (11) | 11 (15) | 29 (10) | |
| Other infection | 45 (12) | 13 (18) | 32 (11) | |
| Origin | <.01 | |||
| Home | 138 (38) | 21 (30) | 117 (40) | |
| Skilled nursing facility | 137 (37) | 25 (35) | 112 (38) | |
| Hospital transfer | 63 (17) | 11 (15) | 52 (18) | |
| Long-term acute care hospital | 28 (8) | 14 (20) | 14 (5) | |
| Critical illnessc | 147 (40) | 39 (55) | 108 (37) | <.01 |
| Length of stay, median (IQR), d | 12 (7–24) | 13 (9–24) | 11 (6–25) | .24 |
All data expressed as n (%), unless otherwise indicated.
Abbreviations: IQR, interquartile range; RRT, renal replacement therapy.
aUnivariable relationship between variable of interest and RRT.
bCardiac disease defined as the presence of coronary artery disease and/or congestive heart failure.
cCritical illness defined as Pitt bacteremia score ≥4 at the time of index culture.