Table 2.
Student t test results
| T test | p value | Mean ± SD DVT |
Mean ± SD DVT negative |
|---|---|---|---|
| Age | > 0.05 | 65 ± 10.28 | 61.22 ± 14.57 |
| BMI | > 0.05 | 27.23 ± 5.24 | 29.59 ± 5.05 |
| Time from symptoms onset | > 0.05 | 7.92 ± 4.62 | 7.12 ± 4.63 |
| Admission to DUS time | 0.029 | 6.6 ± 8.13 | 10.56 ± 8.22 |
| Systolic blood pressure | > 0.05 | 130.64 ± 15.9 | 129.96 ± 17.64 |
| Diastolic blood pressure | > 0.05 | 70.84 ± 11.28 | 73.9 ± 11.02 |
| Heart rate | > 0.05 | 80.36 ± 17.85 | 80.17 ± 14.73 |
| FiO2 | 0.0019 | 0.58 ± 0.2 | 0.48 ± 0.13 |
| SpO2 | > 0.05 | 94.71 ± 2.87 | 95.64 ± 7.3 |
| PF ratio | 0.00072 | 168.54 ± 77.4 | 233.44 ± 97.56 |
| Respiratory rate | 0.049 | 23.48 ± 4.6 | 21.48 ± 4.88 |
| Platelet | > 0.05 | 288.8 ± 180.97 | 333.03 ± 140.31 |
| INR | > 0.05 | 1.2 ± 0.24 | 1.18 ± 0.34 |
| Partial thromboplastin time | > 0.05 | 34 ± 6.34 | 34.01 ± 7.63 |
| D-dimer | 0.000004 | 11571.92 ± 20404.55 | 3078.75 ± 5641.83 |
| Fibrinogen | > 0.05 | 527.88 ± 250.82 | 506.59 ± 181.64 |
| IL-6 | 0.0021 | 165.48 ± 121.76 | 48.79 ± 81.55 |
| Ferritin | 0.010 | 2080.04 ± 2988.36 | 1184.07 ± 1366.14 |
| C reactive protein | 0.0042 | 9.23 ± 8.42 | 5.32 ± 6.12 |
| Procalcitonin | > 0.05 | 0.43 ± 0.41 | 0.63 ± 3.56 |
| Heparin dosage | 0.035 | 6433.33 ± 2256.84 | 5562.71 ± 1723.29 |
SD Standard Deviation; BMI Body Mass Index; FiO2 Fraction of inspired oxygen; SPO2 peripheral capillary oxygen saturation; PF ratio PaO2/FiO2 ratio; INR international normalized ratio