| VAP/ARDS | control group |  |
---|---|---|---|
 | group (range) | (range) | P value |
neutrophils × 106/ml |   1.21± 0.35 |   0.18± 0.11 | 0.0023 |
NTP μg/ml | 13.50± 3.80 |   0.8± 0.4 | 0.025 |
MPO U/ml |   1.66± 0.45 | 0.25± 0.1 | 0.0012 |
elastase U/ml |   6.93± 2.96 |   0.008± 0.003 | 0.001 |
IC % |   51± 15 |   8.7± 1.3 | 0.01 |