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Table 3 Predictors of length of hospital stay in individuals aged ≥ 14 years hospitalized for dengue virus infection (n = 532)

From: Predictors of hospital stay and mortality in dengue virus infection-experience from Aga Khan University Hospital Pakistan

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