Demographic factors | IDU-IE, N = 76 | Non-IDU-IE N = 143 | p-value |
---|---|---|---|
N (%) | N (%) | ||
Sex | 0.7 | ||
 Male | 86 (60.8) | 44 (57.9) |  |
 Female | 55 (39.2) | 32 (42.1) |  |
Race | 0.02 | ||
 Caucasian | 73 (96.1) | 120 (84.7) |  |
 Black | 2 (2.6) | 21 (14.8) |  |
 Hispanic | 1 (1.3) | 1 (0.5) |  |
Mean Age (range) | 35 (19–63) | 61 (12–89) | < 0.001 |
Residents of rural counties | 24 (31.6) | 45 (32.1) | 0.9 |
In-hospital mortality | 6 (7.9) | 23 (16.6) | 0.08 |
30Â day mortalitya | 9 (14.5) | 31 (24.4) | 0.1 |
90Â day mortalitya | 12 (21.8) | 36 (29.3) | 0.3 |
Insurance | < 0.0005 | ||
 Medicaid | 22 (28.9) | 11 (7.7) |  |
 Medicare | 10 (13.2) | 87 (60.8) |  |
 Private | 7 (9.2) | 28 (19.6) |  |
 Uninsured | 34 (44.7) | 10 (7) |  |
 Tricare (Federally funded) | 0 (0) | 1 (0.7) |  |
 State and Local Hospitalization Program | 2 (2.6) | 2 (1.4) |  |
 Other | 1 (1.3) | 4 (1.8) |  |
Pathogen | < 0.0005 | ||
 MRSA | 29 (38.2) | 33 (23.5) |  |
 MSSA | 17 (22.4) | 18 (12.5) |  |
 Other staphylococci | 0 | 7 (4.6) |  |
 Enteroccus faecalis | 4 (5.3) | 19 (13.1) |  |
 Other enterococci | 0 | 5 (3.8) |  |
 Streptococci | 7 (9.2) | 35 (24.8) |  |
 Candida species | 3 (3.9) | 6 (4.1) |  |
 Polymicrobial infection | 8 (10.5) | 0 |  |
 Other | 4 (5.3) | 12 (8.3) |  |
 No pathogen identified | 4 (5.3) | 7 (5.2) |  |
 | Median (IQR) | Median (IQR) | p-valueb |
Length of stay in days | 17 (10–29) | 10 (6–18) | 0.001 |
ICU length of stay in days (n = 44)c | 6 (2–12) | 5 (2–8) | 0.8 |
Hospital cost in dollars | 47,899 (24,578–78,144) | 26,460 (10,220–60,059) | 0.001 |