Table I.
Comparisons of all indexes between survival and mortality groups.
| Characteristic | Survival group (n=80) | Mortality group (n=114) | t/χ2 | P-value |
|---|---|---|---|---|
| Age, years | 30.58±12.34 | 33.68±12.19 | 1.530 | 0.128 |
| Sex, N (%) | 1.511 | 0.223 | ||
| Male | 29 (32.58) | 43 (40.09) | ||
| Female | 51 (67.42) | 71 (59.91) | ||
| Dose of poison, ml | 30.72±15.14 | 72.52±31.42 | 12.31 | <0.001a |
| Mean arterial pressure, mmHg | 92.29±17.08 | 88.67±15.94 | 1.512 | 0.132 |
| Heart rate, beats/min | 88.49±19.25 | 92.87±26.25 | 1.262 | 0.209 |
| Respiratory frequency, breaths/min | 24.26±7.13 | 26.31±8.84 | 1.358 | 0.176 |
| Body temperature, °C | 36.29±0.914 | 36.34±0.71 | 0.429 | 0.668 |
| White blood cells, per 109/l | 12.30±4.39 | 13.65±5.22 | 1.891 | 0.060 |
| Hemoglobin, g/dl | 14.07±4.15 | 14.45±5.86 | 0.499 | 0.619 |
| Platelet, per 109/l | 243.77±89.32 | 251.04±101.74 | 0.515 | 0.607 |
| Alanine aminotransferase, U/l | 44.74±25.89 | 52.04±30.03 | 1.760 | 0.080 |
| Total bilirubin, µmol/l | 21.14±12.56 | 24.09±12.52 | 1.613 | 0.108 |
| Albumin, g/l | 37.97±9.82 | 36.26±10.70 | 0.158 | 0.248 |
| Serum amylase, U/l | 90.65±42.66 | 97.52±46.22 | 1.052 | 0.294 |
| Serum lipase, U/l | 101.14±38.27 | 112.63±58.14 | 1.659 | 0.099 |
| Urea nitrogen, mmol/l | 7.69±3.79 | 8.40±4.64 | 1.129 | 0.260 |
| Creatinine, µmol/l | 92.83 ±44.39 | 106.38±56.22 | 1.873 | 0.063 |
| Serum CK-MB isoenzyme, U/l | 20.26 ±13.15 | 23.19±12.98 | 1.361 | 0.175 |
| Serum troponin I, ng/ml | 0.23±0.14 | 0.27±0.19 | 1.688 | 0.093 |
| Blood glucose, mmol/l | 9.70±5.41 | 10.79±5.84 | 1.319 | 0.189 |
| Serum potassium, mmol/l | 4.24±1.39 | 3.94±2.05 | 1.138 | 0.257 |
| Serum sodium, mmol/l | 140.35±41.95 | 137.96±40.86 | 0.397 | 0.692 |
| pH | 7.36±0.25 | 7.40±0.30 | 0.978 | 0.329 |
| PaO2, mmHg | 94.87±33.03 | 97.70±40.66 | 0.515 | 0.607 |
| PaCO2, mmHg | 32.86±10.24 | 30.41±7.8 | 1.804 | 0.073 |
| HCO3−, mmol/l | 21.31±4.27 | 20.31±3.51 | 1.785 | 0.076 |
| Base excess, mmol/l | −2.82±1.35 | −3.21±1.89 | 1.677 | 0.095 |
| Arterial blood lactate, mmol/l | 1.50±0.97 | 2.90±1.21 | 8.925 | <0.001a |
| C0, µg/ml | 20.28±19.95 | 48.67±17.27 | 11.350 | <0.001a |
| APACHE II | 8.74±6.16 | 11.98±7.02 | 3.326 | <0.001a |
a
P<0.05 between the survival group and mortality group. CK, creatine kinase; C0, initial concentration of paraquat in urine; APACHE II, Acute Physiology and Chronic Health Evaluation II.