Table 2.
Concordance rate between species from respiratory secretion culture and pleural effusion or tissue culture (at least one pathogen is the same)
| Factors, medians (IQR) | Distinct (n = 46) | Identical (n = 30) | p value |
|---|---|---|---|
| Age, years | 66.00 (57.75–79.00) | 65.00 (54.00–76.00) | 0.527 |
| Gender, male | 32 (69.6%) | 22 (73.3%) | 0.723 |
| Location, right | 21 (45.7%) | 19 (63.3%) | 0.262 |
| Phase, II | 38 (82.6%) | 22 (73.3%) | 0.332 |
| PreOP ABX usage (days) | 2.50 (1.00–6.00) | 5.00 (2.75–11.00) | 0.006 |
| Laboratory data | |||
| WBC (103/μL) | 13.40 (9.70–18.28) | 13.20 (9.03–18.30) | 0.811 |
| ANC (103/μL) | 12.00 (8.05–15.98) | 11.10 (7.18–16.65) | 0.983 |
| Pleural data | |||
| Pleural pH (≦ 7.2) | 23 (54.8%) | 16 (66.7%) | 0.344 |
| Pleural glucose (≦ 40 mg/dL) | 21 (48.8%) | 13 (48.1%) | 0.955 |
| Pleural LDH (≧ 1000 IU/L) | 29 (67.4%) | 22 (81.5%) | 0.199 |
| PreOP chest tube drainage duration | 0.00 (0.00–2.00) | 0.00 (0.00–5.00) | 0.226 |
| PostOP chest tube drainage duration | 13.50 (8.00–25.00) | 13.00 (7.75–30.00) | 0.746 |
| Chest tube drainage duration | 14.00 (8.75–26.25) | 17.00 (8.75–32.50) | 0.602 |
| ICU duration (day) | 13.00 (7.75–22.25) | 13.50 (3.00–31.25) | 0.957 |
| Hospital duration (day) | 28.00 (19.00–44.25) | 22.00 (14.00–48.00) | 0.466 |
| Hospital mortality | 8 (17.4%) | 12 (40.0%) | 0.029 |
| 30-Day mortality | 4 (8.7%) | 5 (16.7%) | 0.293 |
IQR: interquartile range; OP: operative; ABX: antibiotics; WBC: white blood cell; ANC: absolute neutrophil count; LDH: lactate dehydrogenase; ICU: intensive care unit