Table 1.
Demographic and baseline characteristics of ICU patients with VAP caused by S. maltophilia
| Variables | Total N = 130 | Alive at ICU discharge n = 65 | Dead at ICU discharge n = 65 | p-value |
|---|---|---|---|---|
| Sex, male | 83 (63.8) | 41 (63.1) | 42 (64.6) | 0.85 |
| Sex, female | 47 (36.2) | 24 (18.5) | 23 (35.4) | |
| Age, years | 61 [51–70] | 56 [44–65] | 63 [56–65] | < 0.001 |
| Comorbidities | ||||
| Chronic respiratory failure | 27 (20.8) | 10 (15.4) | 17 (26.2) | 0.13 |
| Chronic heart failure | 47 (36.2) | 18 (27.7) | 29 (44.6) | 0.04 |
| Chronic renal failure | 30 (23.1) | 9 (13.8) | 21 (32.3) | 0.01 |
| Immunodeficiency | 6 (4.6) | 2 (3.1) | 4 (6.2) | 0.68 |
| Hypertension | 64 (49.2) | 27 (41.5) | 37 (56.9) | 0.08 |
| Recent or ongoing chemotherapy | 12 (9.2) | 4 (6.1) | 8 (12.3) | 0.22 |
| BMI > 30 kg/m2 | 29 (22.3) | 14 (21.5) | 15 (23.1) | 0.83 |
| Malnourishment | 40 (30.7) | 20 (30.8) | 20 (30.8) | 1 |
| Diabetes | 42 (32.3) | 15 (23.1) | 27 (41.5) | 0.002 |
| Severity scores | ||||
| SOFA score on admission | 9 [7–12] | 9 [7–11] | 10 [7–12] | 0.06 |
| SAPS II | 58 [43–73] | 50 [37–68] | 65 [50–76] | 0.003 |
| SOFA score on day of VAP onset | 7 [4–11] | 6 [3–9] | 10 [6–12] | < 0.001 |
Quantitative variables are expressed as median [25–75th percentiles] and qualitative variables as number (%)
ICU intensive care unit, VAP ventilator-associated pneumonia, BMI body mass index, SOFA Sequential Organ Failure Assessment; SAPS Simplified Acute Physiology Score