Clinical Study

Spontaneous Primary Intraventricular Hemorrhage: Clinical Features and Early Outcome

Table 2

Results of multivariate analysis: predictors of primary intraventricular haemorrhage.

Variable 𝛽 SE ( 𝛽 )Odds ratio (95% confidence interval) 𝑃 value

Age 85 years or more2.2920.8439.89 (1.89 to 51.63)0.007
Atrial fibrillation2.1880.7708.92 (1.97 to 4.34)0.004
Headache1.9310.8026.89 (1.43 to 33.17)0.016
Altered consciousness1.4730.7124.36 (1.08 to 17.59)0.038

Model based on demographic variables, vascular risk factors, and clinical features ( 𝛽 = 5 . 0 4 2 , SE ( 𝛽 ) = 0.912, goodness-of-fit test 𝜒 2 = 1 . 8 2 4 , 𝑑 𝑓 = 4 , 𝑃 = 0 . 7 6 8 ). Area under the ROC curve = 0.894, sensitivity 83%, specificity 83%, positive predictive value 31%, negative predictive value 98%, diagnostic accuracy 83%.