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Table 2 Bivariate modified Poisson regression analysis to determine the factors that influence unfavorable outcomes

From: Thirty-day clinical outcome of traumatic brain injury patients with acute extradural and subdural hematoma: a cohort study at Mulago National Referral Hospital, Uganda

VariableCategoryIRR95%CIp value
Cause of traumaRTA1  
Assault0.760.37–1.640.508
Fall0.850.24–3.060.803
Others2.270.91–5.630.078
Oxygen saturation< 90%1  
> 90%0.450.23–0.880.019
Systolic BP< 901  
> 480.580.22–1.480.253
GCSMild TBI1  
Moderate TBI0.680.48–0.97< 0.034
Severe TBI0.350.19–0.62< 0.001
DiagnosisASDH1  
AEDH0.320.18–0.580.001