Table 3 Characteristics of mechanical ventilation
From: Sepsis in mechanically ventilated patients with spinal cord injury: a retrospective analysis
Variables | Primary sepsis | Secondary sepsis | Test | OR | 95% CI | p value |
|---|---|---|---|---|---|---|
Duration of MV (days) | ||||||
  Range | 0.5–55 | 2–96 | – | – | – | – |
  Mean (SD) | 16 (19) | 37 (27) | – | – | – | – |
  Median | 5.8 | 34 | Mann–Whitney U | – | – | <0.05 |
Weaning category (n) | ||||||
  Category 1 (simple) | 6 | 0 | Fisher’s exact | 33 | 1.6 to 674 | <0.01 |
  Category 2 (difficult) | 1 | 1 | Fisher’s exact | 1.4 | 0.08 to 24 | 1.0 |
  Category 3 (prolonged) | 5 | 15 | Fisher’s exact | 0.05 | 0.00 to 0.49 | <0.01 |
  Sub-category 3a | 4 | 7 | Fisher’s exact | 0.64 | 0.14 to 3.0 | 0.70 |
  Sub-category 3b | 0 | 0 | Fisher’s exact | – | – | – |
  Sub-category 3c | 1 | 8 | Fisher’s exact | 0.09 | 0.01 to 0.88 | <0.05 |
