Table 1 Chi-square of risk factor indicators to ARF
From: Risk factors and mortality associated with acute respiratory failure in the ICU
Acute respiratory failure (n (%)) | |||||
|---|---|---|---|---|---|
Risk factor | At admission (n = 336) | During ICU stay (n = 26) | No (n = 144) | χ2 | P value |
Pneumonia | 73 (85.9) | 0 (0) | 2 (14.1) | 18.58 | <0.001 |
Pulmonary embolism | 23 (92) | 1 (4) | 1 (4) | 8.2 | 0.016 |
Hypovolemic shock | 8 (44.4) | 3 (16.7) | 7 (38.9) | 6.9 | 0.031 |