Table I.
Characteristics of the patients with M. luteus BSI.
| Variable | Value |
|---|---|
| Age (year), mean ± SD (range) | 51.9 ± 22.0 (2-92) |
| Age ≤ 12 | 8 (8.2) |
| Age ≥ 60 | 38 (39.2) |
| Male | 61 (62.9) |
| BMI, mean ± SD (range) | 22.6 ± 4.5 (13.4-35.4) |
| SOFA Score, mean ± SD (range) | 1.4 ± 1.8 (0-8) |
| Infection type | |
| Hospital-acquired | 70 (72.2) |
| Community-acquired | 27 (27.8) |
| Hospitalization time (day), mean ± SD (range) | 32.2 ± 36.4 (6-267) |
| Polymicrobial bloodstream infection | 5 (5.2) |
| Symptom | |
| Fever | 87 (89.7) |
| Chill | 18 (18.6) |
| Fatigue | 12 (12.4) |
| Maximal body temperature (T, °C), mean ± SD (range) | 38.7 ± 0.9 (36.5-41.0) |
| 37.2 < T ≤ 38 | 8 (8.2) |
| 38 < T ≤ 39 | 43 (44.3) |
| 39<T<41 | 36 (37.1) |
| WBC count (× 109/l), mean ± SD (range) | 7.9 ± 4.3 (0.6-21.8) |
| WBC count above 10 × 109/l (n = 95) | 31 (32.6) |
| NEUT%, mean ± SD (range) | 72.2 ± 18.3 (4-97.6) |
| NEUT% above 70% (n = 92) | 58 (63.0) |
| CRP concentration (mg/dl), mean ± SD (range) | 5.5 ± 6.4 (0.09-33.5) |
| CRP above 0.8 mg/dl (n = 79) | 60 (75.9) |
| Underlying diseases | |
| Malignancy | 47 (48.5) |
| Immune diseases | 15 (15.5) |
| Infectious diseases | 13 (13.4) |
| Risk factors | |
| Underwent invasive surgery | 39 (40.2) |
| With indwelling catheter | 37 (38.1) |
| ICU stay | 15 (15.5) |
| Any of the above | 65 (67.0) |
| Outcome | |
| Survive | 94 (96.9) |
| Died | 3 (3.1) |
| Causes of death | |
| Lung infection, renal failure | 1 (33.3) |
| Pancreatic cancer, hepatic encephalopathy | 1 (33.3) |
| Acute leukemia | 1 (33.3) |
BMI – body mass index, SOFA – sequential organ failure assessment,
WBC – white blood cell, NEUT% – neutrophil percentage, CRP – C-reactive protein,
ICU – intensive care unit