Table 1 Traumatic brain injury model parameters and stroke model parameters
From: The impact of acquired brain damage in terms of epidemiology, economics and loss in quality of life
Traumatic brain injury model parameters | |||||
|---|---|---|---|---|---|
Parameter | Source | Distribution | Parameters | ||
TBI incidence | Entity: TBI | TBI rates (HSU) | Empirical | ||
Barthel index | Assign Barthel group | TBI rates by Barthel index from our study | Dirichlet | Gamma (1,6) | |
Gamma (1,15) | |||||
Gamma (1,36) | |||||
Gamma (1,8) | |||||
Sex | Assign sex | TBI incidence by sex and age (HSU) | Empirical | ||
Age | Assign age | TBI incidence by sex and age (HSU) | Empirical | ||
Time until death by other causes with | Assign time | Death rates by sex and age (INE) | Gompertz | Men | α = RR*e-9.36 |
β = 0.085 | |||||
Women | α = RR*e-12 | ||||
β = 0.112 | |||||
Stroke model parameters | |||||
Parameter | Source | Distribution | Parameters | ||
Stroke incidence | Entity: Stroke | Stroke rates (HSU) | Empirical | ||
Barthel index for first ever stroke | Assign Barthel group | Barthel Index distribution from our study | Dirichlet | Gamma (1,32) | |
Gamma (1,44) | |||||
Gamma (1,105) | |||||
Gamma (1,16) | |||||
Sex | Assign sex | Stroke incidence by sex and age (HSU) | Empirical | ||
Age | Assign age | Stroke incidence by sex and age (HSU) | Empirical | ||
Time until death by other causes with | Assign time | Death rates by sex and age (INE) | Gompertz | Men | α = RR*e-9.36 |
β = 0.085 | |||||
Women | α = RR*e-12 | ||||
β = 0.112 | |||||
Time until recurrent stroke | Assign time | Calibration | Gompertz | Men | α = e-9.0 |
β = 0.085 | |||||
Women | α = e-9.7 | ||||
β = 0.090 | |||||
Barthel index for recurrent stroke from G0 to | G0 | Barthel Index distribution from our study | Dirichlet | Gamma (1,2) | |
Death | Gamma (1,9) | ||||
Barthel index for recurrent stroke from G1 to | G0 | Barthel Index distribution from our study | Dirichlet | Gamma (1,5) | |
G1 | Gamma (1,7) | ||||
Death | Gamma (1,18) | ||||
Barthel index for recurrent stroke from G2 to | G0 | Barthel Index distribution from our study | Dirichlet | Gamma (1,7) | |
G1 | Gamma (1,9) | ||||
G2 | Gamma (1,24) | ||||
Death | Gamma (1,16) | ||||
Barthel index for recurrent stroke from G3 to | G0 | Barthel Index distribution from our study | Dirichlet | Gamma (1,13) | |
G1 | Gamma (1,18) | ||||
G2 | Gamma (1,48) | ||||
G3 | Gamma (1,49) | ||||
Death | Gamma (1,32) | ||||