Table 4. Clinical outcomes by PVL Case/Control Status.
| Characteristic | Case N = 51 | Control N = 56 | P-value 1* | P-value 2** |
|---|---|---|---|---|
| Sepsis | 5 (9.8) | 17 (30.4) | 16 | |
| Septic Shock | 10 (19.6) | 11 (19.6) | ||
| Previous positive culture (Mean ± SD, Range) | 0.3 ± 0.6 (0.0–3.0) | 1.5 ± 3.5 (0.0–14.0) | 0.02 | 0.77 |
| Duration of the bacteremia, days (Mean ± SD, Range) | 3.4 ± 3.5 (1.0–15.0) | 3.0 ± 2.8 (1.0–16.0) | 0.57 | 0.73 |
| Fever (⁰C), T MAX (Mean ± SD, Range) | 39.0 ± 0.7 (37.3–41.1) | 38.9 ± 0.5 (38.1–40.0) | 0.91 | 0.64 |
| Fever duration, days (Mean ± SD, Range) | 4.8 ± 6.5 (0.0–29.0) | 2.2 ± 1.9 (1.0–7.0) |
0.04 | 0.03 |
| Length of hospital stay, days (Mean ± SD, Range) | 15.4 ± 15.1 (0.0–89.0) | 11.4 ± 7.7 (0.0–50.0) | 0.74 | 0.10 |
| Length of ICU stay, days (Mean ± SD, Range) | 4.0 ± 5.8 (0.0–21.0) | 3.6 ± 5.5 (0.0–22.0) |
0.72 | 0.91 |
| Death Date Known (N, %) | 8 (15.7) | 10 (17.9) | 0.97 | |
| Number of positive blood cultures (Mean ± SD, Range) | 4.8 ± 4.5 (1.0–20.0) | 4.6 ± 3.4 (0.0–18.0) |
0.72 | 0.61 |
| Outcome of Infection (N, %) | 0.59 | |||
| Cured | 25 (49.0 | 33 (58.9) | ||
| Expired | 11 (21.6) | 10 (17.9) | ||
| Unknown | 15 (29.4) | 13 (23.2) |
′Panton-Valentine Leukocidin.
*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