Table 7. Patient demographics by IVDU” history.
| Characteristic | IVDU Yes N = 30 |
IVDU No N = 77 |
P-value 1 | P-value 2** |
|---|---|---|---|---|
| Age at Collected Date (Mean ± SD, Range) | 40.2 ± 13.8 (21.8–73.2) |
58.8 ± 23.7 (0.1–100.1) |
< .0001 | < .0001 |
| Risk Factors (N, %) | ||||
| Diabetes | 1 (3.3) | 19 (24.7) | 0.02 | |
| Immunosuppressive Medications | 0 (0.0) | 11 (14.3) | 0.02* | |
| Indwelling IV catheters | 2 (6.7) | 16 (20.8) | 0.14 | |
| Hemodialysis | 0 (0.0) | 13 (16.9) | 0.02* | |
| Genetic virulence factors (N, %) | ||||
| PVL Positive (Case) | 24 (80.0) | 27 (35.1) | 0.00003* |
″Intravenous Drug Use.
*P-values in P-value 1 column for categorical variables from chi-squared tests, unless indicated with an asterisk (*) where Fisher’s Exact Test was used; for continuous variables, p-values from Student’s t-test with Satterthwaite adjustment when appropriate.
**P-values in P-value 2 column from Wilcoxon rank-sum tests for non-normal distributions.