Table 2.
Logistic regression to identify predictors of heatstroke in patients with heat illness.
| Variables | Univariate analysis |
Multivariate analysis |
||
|---|---|---|---|---|
| OR (95% CI) | p value | OR (95% CI) | p value | |
| Core temperature (°C) | 2.086 (1.686 – 2.581) | < 0.001 | 1.681 (1.291 – 2.189) | < 0.001 |
| PT (sec) | 1.518 (1.301 – 1.773) | < 0.001 | 1.427 (1.175 – 1.733) | < 0.001 |
| D-dimer (μg/mL) | 1.425 (1.196 – 1.697) | < 0.001 | 1.242 (1.049 – 1.471) | 0.012 |
| AST (U/L) | 1.005 (1.002 − 1.008) | 0.001 | 1.004 (1.001 – 1.007) | 0.005 |
| Heart rate (beats/min) | 1.042 (1.027 – 1.057) | < 0.001 | ||
| WBC (1 × 109/L) | 1.081 (1.025 − 1.140) | 0.004 | ||
| Platelet count (1 × 109/L) | 0.994 (0.990 – 0.998) | 0.002 | ||
| ALT (U/L) | 1.002 (1.001 − 1.005) | 0.002 | ||
| Total bilirubin (μmol/L) | 1.022 (1.002 − 1.043) | 0.030 | ||
| Creatinine (mmol/L) | 1.013 (1.007 − 1.019) | < 0.001 | ||
| Creatine kinase (U/L) | 1.000 (1.000 − 1.000) | 0.986 | ||
| INR | 3.733 (1.609 – 8.661) | 0.002 | ||
| APTT (sec) | 1.053 (1.020 – 1.087) | 0.001 | ||
| Fibrinogen (g/L) | 0.867 (0.671 – 1.119) | 0.272 | ||
OR: odds ratios; CI: confidence intervals; PT: prothrombin time; AST: aspartate aminotransferase; WBC: white blood cell count; ALT: alanine aminotransferase; INR: international normalized ratio; APTT: activated partial thromboplastin time.