Table 1.
The relationship between laboratory and mortality in patients with H1N1 related pneumonia and respiratory failure
| Laboratory findings | Survived (n, %) | Died (n, %) | p value |
|---|---|---|---|
| Presence of leucopenia | 16–76.2 | 5–23.8 | >0.05 |
| Absence of leucopenia | 14–93.3 | 1–6.7 | |
| Presence of neutropenia | 1–100 | – | >0.05 |
| Absence of neutropenia | 29–82.9 | 6–17.1 | |
| Presence of lymphopenia | 14–73.7 | 5–26.3 | >0.05 |
| Absence of lymphopenia | 16–94.1 | 1–5.9 | |
| Presence of anemia | 9–75 | 3–25 | >0.05 |
| Absence of anemia | 21–87.5 | 3–12.5 | |
| Presence of thrombocytopenia | 10–76.9 | 3–23.1 | >0.05 |
| Absence of thrombocytopenia | 20–87 | 3–13 | |
| CRP | |||
| Normal | 3–100 | – | >0.05 |
| Elevated | 27–81.8 | 6–18.2 | |
| ESR | |||
| Normal | 6–100 | – | >0.05 |
| Elevated | 24–80 | 6–20 | |
| LDH (U/L) | |||
| <500 | 9–100 | – | |
| 500–1,000 | 19–90.5 | 2–9.5 | |
| >1,000 | 2–33.3 | 4–66.7 | 0.001a |
| CK | |||
| Normal | 16–84.2 | 3–15.8 | >0.05 |
| Elevated | 14–82.4 | 3–17.6 | |
| AST | |||
| Normal | 16–94.1 | 1–5.9 | >0.05 |
| Elevated | 14–73.7 | 5–26.3 | |
| ALT | |||
| Normal | 17–85 | 3–15 | >0.05 |
| Elevated | 13–81.3 | 3–18.8 |
CRP C-reactive protein, ESR erythrocyte sedimentation rate, LDH lactate dehydrogenase, CK creatine kinase, AST aspartate aminotransferase, ALT alanine aminotransferase
aCompared with survived patients and dead patients, LDH levels were significantly higher in patients who died