Supplementary Table IV (online only).
Relation of clinical and admission laboratory markers to length of stay
| Variable | Univariable |
Multivariable |
||||
|---|---|---|---|---|---|---|
| β-Coefficient | 95% CI | P value | β-Coefficient | 95% CI | P value | |
| Age | −0.10 | −0.35 to 0.15 | .42 | – | – | – |
| Male sex | 9.54 | 2.23-16.84 | .01 | 9.92 | 0.32-19.53 | .047 |
| Hypertension | −2.27 | −9.60 to 5.06 | .54 | – | – | – |
| Hyperlipidemia | −2.39 | −9.77 to 5.00 | .53 | – | – | – |
| Diabetes mellitus | 4.81 | −2.53 to 12.14 | .20 | – | – | – |
| Active tobacco use | −3.84 | −20.50 to 12.83 | .65 | – | – | – |
| Coronary artery disease | −0.61 | −10.62 to 9.40 | .90 | – | – | – |
| Previous DVT or PE | −8.61 | −22.05 to 4.83 | .21 | – | – | – |
| Respiratory disease | 2.49 | −7.33 to 12.30 | .62 | – | – | – |
| Active malignancy | −8.33 | −23.93 to 7.28 | .30 | |||
| Venous thrombosis | 3.18 | −4.66 to 11.03 | .43 | – | – | – |
| Invasive mechanical ventilation | 26.82 | 20.50-33.15 | <.0001 | 27.16 | 16.00-38.32 | <.0001 |
| DIC | −1.43 | −17.09 to 14.24 | .86 | – | – | – |
| Admission laboratory marker | ||||||
| D-dimer, per 100-U increase | −0.04 | −0.18 to 0.10 | .58 | – | – | – |
| Fibrinogen, per 100-U increase | 0.48 | −2.39 to 3.35 | .74 | – | – | – |
| PT | −1.07 | −2.26 to 0.13 | .08 | – | – | – |
| PTT | 0.33 | 0.08-0.58 | .01 | 0.43 | 0.20-0.66 | .0005 |
| Platelet count, per 1000-U increase | −2.79 | −6.42 to 0.84 | .13 | – | – | – |
| CRP | 0.36 | −0.08 to 0.75 | .07 | – | – | – |
| hs-Troponin T | 0.00 | −0.02 to 0.03 | .68 | – | – | – |
CI, Confidence interval; CRP, C-reactive protein; DIC, disseminated intravascular coagulation; hs, high sensitivity; PT, prothrombin time; PTT, partial thromboplastin time.
Boldface P values represent statistical significance.