Research Article
Value of Diaphragm Ultrasonography for Extubation: A Single-Blinded Randomized Clinical Trial
Table 1
Demographics and baseline characteristics.
| US (n = 20) | Control (n = 20) | | | Median | Percentile | Median | Percentile | 25 | 75 | 25 | 75 |
| Age | 78 | 59 | 80.8 | 67 | 55.3 | 76 | 0.244 | BMI | 26 | 22 | 30 | 24 | 22 | 28 | 0.636 | Female | 14 (70%) | 10 (50%) | |
| Admission diagnosis | Surgical | 7 (35%) | 6 (30%) | | Clinical | 13 (65%) | 14 (70%) |
| Intubation reason | Coma | 5 (25%) | 10 (50%) | | Respiratory failure | 15 (75%) | 10 (50%) |
| Presence of infection | No infection | 1 (5%) | 4 (20%) | 0.357● | Infection only | 13 (65%) | 11 (55%) | Sepsis | 6 (30%) | 5 (25%) |
| pH | 7.45 | 7.42 | 7.47 | 7.44 | 7.40 | 7.48 | 0.465◊ |
| pCO2 (mmHg) | 38 | 35.9 | 45 | 37.6 | 32 | 41 | 0.223 |
| pO2 (mmHg) | 92.5 | 80.1 | 109.8 | 87.5 | 68.5 | 109 | 0.298 |
| MAP (mmHg) | 88 ± 14 | 91 ± 14 | 0.590◊ |
| Fluid balance (mL) | 315 | −468 | 770 | 480 | −265 | 988 | 0.379 |
| D vitamin | No result | 3 (15%) | 5 (25%) | 0.235● | Low | 8 (40%) | 11 (55%) | Normal | 9 (45%) | 4 (20%) |
| Atrial natriuretic peptide | No result | 3 (15%) | 5 (25%) | 0,537 | High | 9 (45%) | 10 (50%) | Normal | 8 (40%) | 5 (25%) |
| CRP | Normal | 4 (20%) | 4 (20%) | 0,653 | High | 16 (80%) | 16 (80%) |
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Mann–Whitney; Fisher; ●Chi-square, ◊Student’s t-test; Mann–Whitney test; ultrasound group (US); mean arterial pressure (MAP); C-reactive protein (CRP). |