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. 2022 Dec 2;11:117. doi: 10.1186/s40249-022-01046-z

Table 1.

The description and features of estimated parameters

Parameter Description Unit Value Source
br Birth rate 1 Null Reported data
dr Death rate 1 Null Reported data
β Transmission relative rate Per person. per month Null Curve fitting
β11 Transmission relative rate among students Per person. per month Null Curve fitting
β22 Transmission relative rate among non-students Per person. per month Null Curve fitting
β12 Transmission relative rate from students to non-students Per person. per month Null Curve fitting
β21 Transmission relative rate from non-students to students Per person. per month Null Curve fitting
κ Transmission relative rate between population In and population Ip 1 0.2 Reference [56]
m Proportion of early clearance 1 0.25 Reference [51]
θ Rate of early clearance Per month 0.286 Reference [51]
q Proportion from E to Ip 1 Null Reported data
1-q Proportion from E to In 1 Null Reported data
ω1 Rate from E to I1 Per month 0.667 Reference [93]
ω2 Rate from E to I2 Per month 0.667 Reference [93]
λ Proportion of treatment failure 1 0.05 Reference [3]
μ1 Rate from I1 to E (reciprocal time to retreatment) Per month 0.167 Reference [52]
μ2 Rate from I2 to E (reciprocal time to retreatment) Per month 0.167 Reference [52]
γ1 I1 removal coefficient Per month 0.286 Reference [57]
γ2 I2 removal coefficient Per month 0.286 Reference [57]
f1 Case fatality rate of I1 1 0.1284 References [94, 95]
f2 Case fatality rate of I2 1 0.1284 Reference [94, 95]
a Proportion of R developing into E (recurrence ratio) 1 0.062 References [5355]
τ Rate at which R progresses to E (reciprocal of time to recurrence) Per month 0.064 Reference [53]

E for the exposed population (or low-risk latent tuberculosis infection, LTBI), Ip for pathogen positive tuberculosis population, In for pathogen negative tuberculosis population, I1 for student tuberculosis population, I2 for non-student tuberculosis population, and R for recovered or removed population