Skip to main content
. 2017 Mar;18:67–80. doi: 10.1016/j.epidem.2017.01.002

Table 3.

Parameter values and assumptions that differ across the models.

Parameter Value
Source
Erasmus MC
Warwick
Model E0 Model E1 Model W
Birth rate (per 1000/yr) Bihar specific District-specific (see SF2) Indian 2011 Census
Mortality rate (per 1000/yr) Bihar specific,
age-dependent
District-specific (see SF2) Indian 2011 Census
Sandfly birth rate Stepwise function with 3 month peak in July–Sept Sinusoidal function with peak in Oct–Nov (Poché et al., 2011) (E0, E1) (Picado et al., 2010b, Kesari et al., 2014, Ghosh et al., 1999) (W)
Infectivity of PKDL, relative to symptomatic untreated cases 0.5 0.5 N/A Expert opinion
Duration of immunity (years) 2 (1 and 5 in sensitivity analysis) 2 (1 and 5 in sensitivity analysis) 5 Assumption based on (Le Rutte et al., 2016) (E0,E1) Assumption based on (Chapman et al., 2015) (W)
Average duration of PKDL (years) 5 5 N/A Expert opinion, (Ramesh et al., 2015)
Sandfly exposure Age-dependent Age-dependent N/A (Le Rutte et al., 2016)
Duration of early asymptomatic stage (days) 202 202 Early + late = 150 (Le Rutte et al., 2016) (E0, E1) (Chapman et al., 2015) (W)
Duration of late asymptomatic stage (days) 69 days (fitted) 69 days (fitted)
Infectivity of asymptomatic stage 0 (pre-set) 0.0114 (early) 0.0229 (late) (fitted) 0.025 Assumption based on (Stauch et al., 2011) (W)
Fraction of (late stage) asymptomatic individuals who develop VL 0.0142 (fitted) 0.0142 (fitted) 0.03 Assumption based on (Hasker et al., 2014) (W)