Analytical and radiological data on admission
| Laboratory data | |
| Leukocytes ×109 L−1 | 15.4±17.6 |
| Band forms ≥3% | 297 (59) |
| Haematocrit % | 40.1±6.8 |
| BUN mg·dL−1 | 55.3±36 |
| Creatinine mg·dL−1 | 1.9±0.9 |
| Sodium mEq·L−1 | 137.7±5.9 |
| Potassium mEq·L−1 | 4.6±1.5 |
| Albumin g·L−1 | 32.5±6.7 |
| ALAT U·L−1 | 53.2±296 |
| ASAT U·L−1 | 48.1±311 |
| PO2 with FI,O2 21% mmHg | 61.8±15.9 |
| Pa,O2/FI,O2<200 | 41 (8) |
| Radiographical data | |
| Lobar | 267 (53) |
| Segmentary | 118 (23) |
| Bronchopneumonia | 62 (12) |
| Bilateral | 56 (11) |
| Cavitation | 9 (2) |
| Pleural effusion | 60 (12) |
Data are presented as mean±sd or n (%)
BUN: blood urea nitrogen
ALAT: alanine aminotransferase
ASAT: aspartate aminotransferase
PO2: oxygen tension
FI,O2: inspiratory oxygen fraction
Pa,O2: oxygen tension in arterial blood