Table 1.
Scanographic, baseline laboratory and ICU parameters in the 2 groups without and with Stenotrophomonas infection.
| Statistic | Stenotrophomonas | Test | OR (95% CI) | p value | ||
|---|---|---|---|---|---|---|
| No (103 patients) | Yes (20 patients) | |||||
| Scanographic parameters | ||||||
| @ Baseline | ||||||
| GGO (%) | m ± sd | 30.8 ± 18.6 | 42.1 ± 23.8 | T | 0.032 | |
| Lobar condensation | N (%) | 12 (13.5%) | 2 (11.8%) | Chi2 | 0.86 (0.17–4.22) | 0.848 |
| Pneumomediastinum | N (%) | 1 (1.1%) | 0 (0%) | F | 0.840 | |
| @ 1st Follow-up | ||||||
| GGO (%) | m ± sd | 53 ± 24.3 | 71.7 ± 22.4 | T | 0.009 | |
| Lobar condensation | N (%) | 13 (22.4%) | 6 (40%) | Chi2 | 2.31 (0.69–7.69) | 0.166 |
| Pneumomediastinum | N (%) | 3 (5.2%) | 6 (40%) | Chi2 | 12.2 (2.58–57.9) | 0.000 |
| Pulmonary embolism | N (%) | 7 (12.1%) | 0 (0%) | Chi2 | 0.157 | |
| Baseline laboratory parameters | ||||||
| Leucocytes (× 103) | Me [IQR] | 8.4 [5.8–11.8] | 8.8 [6.4–10.5] | MWU | 0.696 | |
| Neutrophiles (× 103) | Me [IQR] | 6.6 [4.4–10.2] | 7.7 [4.9–9.2] | MWU | 0.417 | |
| Lymphocytes (× 103) | Me [IQR] | .069 [0.48–1.06] | 0.73 [0.58–0.82] | MWU | 0.869 | |
| Lowest platelets level (× 103) | Me [IQR] | 141 [100–196] | 79 [46–101] | MWU | 0.001 | |
| Ferritine | Me [IQR] | 629 [420–1229] | 1239 [360–1739] | MWU | 0.280 | |
| LDH | Me [IQR] | 409 [318–508] | 395 [244–707] | MWU | 0.867 | |
| D-dimers | Me [IQR] | 0.89 [0.41–2.01] | 0.98 [0.76–3.36] | MWU | 0.283 | |
| CRP | Me [IQR] | 120 [59–186] | 147 [95.3–202] | MWU | 0.292 | |
| Procalcitonine | Me [IQR] | 0.26 [0.14–0.56] | 0.25 [0.22–0.8] | MWU | 0.548 | |
| HDL | Me [IQR] | 1.01 [0.71–1.25] | 1.185 [1.02–1.45] | MWU | 0.279 | |
| LDL | Me [IQR] | 2.67 [1.97–3.35] | 2.37 [1.8–3] | MWU | 0.593 | |
| Triglycerides | Me [IQR] | 1.86 [1.30–2.48] | 1.96 [1.47–2.20] | MWU | 0.976 | |
| Serum Creatinin | Me [IQR] | 76 [63–111] | 94 [79–167] | MWU | 0.052 | |
| Follow-up ICU parameters | ||||||
| Highest PEEP | Me [IQR] | 8 [3–12] | 12 [10–14] | MWU | 0.004 | |
| Highest FiO2 | Me [IQR] | 1 [0.7–1] | 1 [0.8–1] | MWU | 0.552 | |
| Humid | N (%) | 84 (93.3%) | 17 (100%) | Chi2 | 0.273 | |
| KTA | N (%) | 92 (89.3%) | 19 (100%) | Chi2 | 0.135 | |
| KTC (binary) | N (%) | 78 (75.7%) | 19 (100%) | Chi2 | 0.016 | |
| KTC (quantitative) | Me [IQR] | 1 [0–1] | 3 [2–3] | MWU | 0.000 | |
| Number of vascular catheters | Me [IQR] | 2 [2–3] | 6 [3–6] | MWU | 0.000 | |
| Foley catheter | N (%) | 68 (66%) | 19 (95%) | Chi2 | 9.78 (1.26–76.1) | 0.009 |
| News 2 Score | Me [IQR] | 6 [5–8] | 6 [4.5–8] | MWU | 0.594 | |
| SOFA | Me [IQR] | 4 [3–7] | 3 [3–5] | MWU | 0.162 | |
| APACHE | Me [IQR] | 13 [8–18] | 15 [12–21] | MWU | 0.439 | |
| ICU transfer day | Me [IQR] | 3 [1–6] | 3 [1–7] | MWU | 0.961 | |
| ICU length of stay | Me [IQR] | 12 [6–18] | 32.5 [20.5–43.5] | MWU | 0.000 | |
| Intubation day | Me [IQR] | 5 [3–10] | 8 [3–12] | MWU | 0.181 | |
| Extubation day | Me [IQR] | 13 [11–19] | 24 [11–29] | MWU | 0.226 | |
Categorical data are presented as frequencies and percentages (N (%)); Continuous data not departing from normality assumptions are presented as mean and standard deviation (m ± sd). Continuous data departing from normality assumptions and ordinal data are presented as Median with its interquartile range (1st quartile–3rd quartile) (Me [IQR]). Chi2: Chi square test; MWU: Mann–Whitney U test. For binary data, the odds ratio with its 95% confidence interval were calculated [OR (95% CI)]. F: Fisher exact test. T: independent samples T test.