Table 3 Predictors of length of hospital stay in individuals aged ≥ 14 years hospitalized for dengue virus infection (n = 532)
Variable | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
Length of stay in hospital | P value | Odd ratio [95% CI] | P value | ||
≤ 3 days n = 386 | >3 days n = 146 | ||||
Age, in years | 33.10 ± 13 | 41.10 ± 17.20 | <0.001 | 1.03[1.01-1.04] | <0.001 |
Acute kidney injury | 29(7.5) | 42(28.8) | <0.001 | 2.98[1.66-5.34] | <0.001 |
World Health Organization Classification | |||||
Dengue fever | 329(85.2) | 120(82.2) | 0.002 | 1.0 | |
Dengue hemorrhagic fever | 56(14.5) | 20(13.7) | 0.91[0.49-1.69] | 0.76 | |
Dengue shock syndrome | 1(0.3) | 6(4.1) | 2.37[0.23-24.2] | 0.46 | |
Central nervous system | 5(1.3) | 6(4.1) | 0.04 | 0.79[0.17-3.6] | 0.76 |
Diabetes mellitus | 28(7.3) | 19(13) | 0.03 | 0.84[0.38-1.87] | 0.68 |
Hypertension | 26(6.7) | 22(15.1) | 0.003 | 1.13[0.50-2.51] | 0.76 |
Respiratory failure | 4(1) | 10(6.8) | <0.001 | 3.2[0.76-13.3] | 0.11 |
Alanine aminotransferase | |||||
Normal | 110(28.5) | 46(31.5) | 0.02 | ||
Mild hepatitis | 249(64.5) | 80(54.8) | |||
Severe hepatitis | 27(7) | 20(13.7) | |||
Prothrombin time (Seconds) | |||||
≤ 15 | 353(91.5) | 115(78.8) | <0.001 | ||
> 15 | 33(8.5) | 31(21.2) | 2.03[1.07-3.84] | 0.02 | |
Activated partial thromboplastin time (Seconds) | |||||
≤ 35 | 243(63) | 64(43.8) | <0.001 | ||
>35 | 143(37) | 82(56.2) | 1.80[1.15-2.83] | 0.01 | |
Platelets (Micro/litre) | |||||
<50000 | 295(76.4) | 111(76) | 0.12 | 1.0 | |
50000-100000 | 70(18.1) | 23(15.8) | 0.23[0.04-1.13] | 0.07 | |
100000-150000 | 17(4.4) | 6(4.1) | 0.31[0.03-1.1] | 0.11 | |
>150000 | 4(1) | 6(4.1) | 0.36[0.06-1.88] | 0.22 | |
Death | 2(0.5) | 6(4.1) | 0.002 | 0.86[0.13-5.4] | 0.87 |