Table 2.
Comparison of different variables in the survived and nonsurvived groups according to outcome
| Variable | Survived (n=81) | Nonsurvived (n=45) | t/Z/χ2 | P |
|---|---|---|---|---|
| Age (years) | 21.59±5.66** | 24.34±11.68 | t=1.48 | 0.14 |
| Gender, n (%) | ||||
| Male | 40 (31.7) | 23 (18.3) | χ2=0.03 | 0.85 |
| Female | 41 (32.5) | 22 (17.5) | ||
| Dose of poison (mg of 2% PQ) | 1500 (300-1500)*** | 3000 (2000-5000) | Z=5.22 | <0.001 |
| WBC (103 μL) | 10.3 (8.15-12.5) | 15.5 (10.8-21.9) | Z=4.45 | <0.001 |
| Hb (g/dL) | 13.16±3.55 | 13.20±2.41 | t=0.37 | 0.70 |
| HCT (%) | 39.95 (35.45-44.92) | 38.7 (33.85-45.7) | Z=0.45 | 0.65 |
| BS (mg/dL) | 100.17±26.00 | 124.23±48.07 | t=3.0 | 0.004 |
| AST (IU/L) | 32.0 (25.0-38.0) | 88.0 (47.0-175.0) | Z=6.54 | <0.001 |
| ALT (IU/L) | 22.0 (17.0-30.0) | 54.5 (28.0-190.0) | Z=5.73 | <0.001 |
| Cr (mg/dL) | 1.2 (0.8-1.6) | 2.6 (1.5-3.5) | Z=5.06 | <0.001 |
| Na (mEq/l) | 141.61±4.99 | 141.85±7.14 | t=0.22 | 0.83 |
| K (mEq/l) | 3.91±0.67 | 4.11±0.87 | t=1.34 | 0.18 |
| pH | 7.41±0.11 | 7.37±0.16 | t=1.19 | 0.24 |
| HCO3 (mEq/l) | 22.85±4.60 | 20.64±6.22 | t=1.56 | 0.12 |
| PaCO2 (mmHg) | 38.41±8.74 | 35.78±12.70 | t=0.88 | 0.37 |
t=Test statistics independent t-test, Z=Test statistics Mann-Whitney, χ2=Test statistics Chi-square, **Mean±SD, ***Median (IQR). SD=Standard deviation, IQR=Interquartile range, ALT=Alanine aminotransferase, AST=Aspartate aminotransferase, BS=Blood sugar, Cr=Creatinine, Hb=Hemoglobin, HCO3=Serum bicarbonate, HCT=Hematocrit, K=Potassium, Na=Sodium, PaCO2=Arterial partial pressure of carbon dioxide, WBC=White blood cell, PQ=Paraquat