Table 2 Comparison of various parameters among success and failure group
Success (n = 77) | Failure (n = 19) | p-value | |
|---|---|---|---|
Mean ± standard deviation | Mean ± standard deviation | ||
Age (years) | 67.9 ± 9.3 | 65.8 ± 15.0 | 0.446 |
BMI (kg/m2) | 26.0 ± 5.0 | 24.3 ± 5.2 | 0.195 |
Initial heart rate (per minute) | 102.5 ± 17.9 | 116.3 ± 20.0 | 0.004 |
Initial respiratory rate (per minute) | 28.0 ± 6.4 | 34.3 ± 8.5 | p < 0.01 |
GCS score | 14.8 ± 0.6 | 14.5 ± 0.9 | 0.058 |
Initial SpO2 (%) | 81.0 ± 13.1 | 74.3 ± 17.2 | 0.062 |
Initial pH | 7.3 ± 0.1 | 7.3 ± 0.1 | 0.032 |
pH at 1–2 h | 7.3 ± 0.1 | 7.2 ± 0.1 | p < 0.01 |
pH at 4–6 h* | 7.3 ± 0.1 | 7.2 ± 0.1 | p < 0.01 |
pCO2 — initial (mm Hg) | 67.1 ± 19.4 | 69.4 ± 22.8 | 0.655 |
pCO2 at 1–2 h (mm Hg) | 64.1 ± 17.3 | 76.9 ± 25.7 | 0.011 |
pCO2 at 4–6 h* (mm Hg) | 60.0 ± 16.6 | 74.4 ± 33.1 | 0.012 |
PaO2 initial (mm Hg) | 85.3 ± 47.7 | 65.8 ± 22.8 | 0.088 |
Bicarbonate level (mEq/L) | 29.5 ± 6.7 | 27.6 ± 6.3 | 0.276 |
Sodium (mEq/L) | 135.9 ± 5.7 | 129.2 ± 8.8 | p < 0.01 |
CRP (mg/L) | 34.6 ± 46.7 | 61.6 ± 80.1 | 0.057 |
APACHE II score | 14.1 ± 4.3 | 19.2 ± 4.4 | p < 0.01 |
Charlson index | 5.0 ± 1.7 | 6.7 ± 2.1 | p < 0.01 |
SAPS II score | 22.0 ± 4.8 | 27.6 ± 5.6 | p < 0.01 |