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Table 2 Multivariate logistic regression model used to predict dengue shock syndrome and nonshock cases a

From: Development of clinical decision rules to predict recurrent shock in dengue

Predictors

OR (95% CI)

Adjusted OR (95% CI)

P-value

Age

1.01 (0.95 to 1.08)

1.05 (0.98 to 1.13)

0.1756

Admission dayb,c

0.82 (0.69 to 0.99)

0.66 (0.52 to 0.83)

0.0041

Day of shock

0.91 (0.77 to 1.07)

0.91 (0.76 to 1.08)

0.3476

Petechia

1.13 (0.75 to 1.71)

0.78 (0.46 to 1.30)

0.3381

Purpura/ecchymosisc

2.17 (1.43 to 3.32)

1.78 (1.11 to 2.86)

0.017

GI bleeding

1.75 (0.99 to 3.09)

1.37 (0.73 to 2.58)

0.1290

Ascites/pleural effusionc

0.23 (0.14 to 0.42)

0.24 (0.13 to 0.43)

0.0001

PLT (×103/μl)c,d

0.99 (0.99 to 0.99)

0.99 (0.99 to 0.99)

0.0148

Pulse pressure (mmHg)c,d

0.96 (0.93 to 0.98)

0.96 (0.93 to 0.99)

0.0163

  1. aCI, confidence interval; GI, gastrointestinal; OR, odds ratio; PLT, platelet. Dengue shock syndrome refers to dengue hemorrhagic fever, and nonshock cases refers to dengue fever.
  2. bOR represents the decremental odds of recurrent shock for every unit decrease of one day in admission days. cVariables were selected for developing the clinical rules. dOR represents the incremental odds of recurrent shock for every unit increase of 1,000 platelets per microliter or every 1 mmHg increase in pulse pressure.