Table 2. Comparison of the clinico-laboratorial and monitoring data of the cohorts.
APACHE: Acute Physiology and Chronic Health Evaluation, SpO2: peripheral oxyhemoglobin saturation, PaO2: partial pressure of arterial Oxygen, PCO2: partial pressure of arterial Carbon-di-oxide, CXR: chest X-ray, ROX: Respiratory rate-oxygenation index, mROX: modified Respiratory rate-oxygenation index, SOFA: sequential organ failure assessment, FiO2: fraction of inspired O2.
| Parameters | All (N=27) | Success (N=14) | Failure (N=13) | Two-tailed P-value |
| APACHE-II | 8.81 ± 2.38 | 8.28 ± 2.33 | 9.38 ± 2.39 | 0.2373 |
| SOFA | 3.51 ± 1.55 | 2.78 ± 0.80 | 4.30 ± 1.79 | 0.007 |
| Glasgow Coma Scale | 15 (15-15) | 15 (15-15) | 15 (15-15) | --- |
| Mean Blood Pressure | 94.4 ± 10.97 | 96.92 ± 11.80 | 91.69 ± 9.72 | 0.219 |
| Respiratory Rate (per min) | 27.29 ± 4.17 | 26.85 ± 3.95 | 27.76 ± 4.51 | 0.58 |
| SpO2 in percentage | 91.18 ± 4.82 | 92.5 ± 3.79 | 89.76 ± 5.54 | 0.151 |
| PaO2 in mmHg | 75.53 ± 31.51 | 83.71 ± 36.80 | 66.72 ± 22.83 | 0.16 |
| PCO2 in mmHg | 34.01 ± 4.97 | 34.03 ± 4.50 | 33.98 ± 5.61 | 0.97 |
| Blood Urea Nitrogen | 20.43 ± 11.11 | 16 ± 6.58 | 25.20 ± 13.16 | 0.03 |
| FiO2 at admission | 0.75 ± 0.19 | 0.70 ± 0.21 | 0.82 ± 0.16 | 0.10 |
| FiO2 at six hours | 0.84 ± 0.16 | 0.81 ± 0.16 | 0.88 ± 0.14 | 0.254 |
| Quadrants involved in CXR | 3.03 ± 0.85 | 2.78 ± 0.97 | 3.30 ± 0.63 | 0.11 |
| ROX on admission | 4.87 ± 1.67 | 5.42 ± 1.73 | 4.29 ± 1.44 | 0.07 |
| mROX on admission | 3.99 ± 1.95 | 4.78 ± 2.11 | 3.15 ± 1.38 | 0.02 |
| ROX at six hours | 4.50 ± 1.41 | 5.05 ± 1.60 | 3.92 ± 0.90 | 0.033 |
| mROX at six hours | 4.05 ± 2.30 | 5.07 ± 2.71 | 2.95 ± 0.98 | 0.01 |
| ROX on admission versus at six hours (success) | 0.563 | |||
| ROX on admission versus at six hours (failure) | 0.441 | |||
| mROX on admission versus at six hours (success) | 0.752 | |||
| mROX on admission versus at six hours (failure) | 0.683 | |||