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. 2015 Dec 30;14:205–215. doi: 10.1007/s40258-015-0214-1

Table 1.

Model inputs

Model input Distribution Mean/base case SE Parameter 1a Parameter 2a Source/notes
RR all-cause mortality, chronic alcohol misuser, male LogNormal 1.56 0.270 0.445 0.270 Rehm et al. [31] used to calculate LT mortality (transition set b)
RR all-cause mortality, chronic alcohol misuser, female LogNormal 2.26 0.342 0.815 0.342 Rehm et al. [31] used to calculate LT mortality (transition set b)
Prevalence alcohol misuse, male Constant 6 % Drummond et al. [32] Input to calculate LT mortality (transition set b)
Prevalence alcohol misuse, female Constant 2 % Drummond et al. [32] Input to calculate LT mortality (transition set b)
Acute mortality among patients with WKS Beta 10.6 % 1.9 % 26 245 Input to transition ab
Prevalence of WKS in chronic alcohol misusers attending the ED Scaled beta 19.0 % 21.72 % 2.359 1.865 Range: 5, 30
Source: expert elicitation
Input to transition set ab
Proportion of patients presenting at an ED developing KS, no thiamine Beta 84.4 % 2.65 % 157 29 Victor et al. [16]
Input to transition set cb
Proportion of patients with KS admitted to long-term care Beta 26.0 % 4.28 % 27 77 Victor et al. [16]
Input to transition set cb
Probability of recovery from KS and discharge to community care or community (see Electronic Supplementary Material 5) Parameter set d
Probability of re-attendance at an ED once discharged Uniform 31.6 % 10 % 50 % Assumption based on Pirmohamed et al. 2000 [35]
Transition set eb
Relative risk of development of KS, 10 days of treatment vs 0 Normal 0.050 0.013 0.050 0.013 Elicitation panelc
 9 days vs 0 Normal 0.054 0.016 0.054 0.016 Elicitation panelc
 8 days vs 0 Normal 0.058 0.019 0.058 0.019 Elicitation panelc
 7 days vs 0 Normal 0.061 0.022 0.061 0.022 Elicitation panelc
 6 days vs 0 Normal 0.065 0.025 0.065 0.025 Elicitation panelc
 5 days vs 0 Normal 0.069 0.028 0.069 0.028 Elicitation panelc
 4 days vs 0 Normal 0.281 0.073 0.281 0.073 Elicitation panelc
 3 days vs 0 Normal 0.493 0.119 0.493 0.119 Elicitation panelc
 2 days vs 0 Normal 0.705 0.165 0.705 0.165 Elicitation panelc
 1 day vs 0 Normal 0.852 0.148 0.852 0.148 Elicitation panelc
Cost of ED attendance (GBP) Gamma 115 28.20 16.4681 6.9489 NHS Reference Costs 2013 [37]
Cost of long-term institutional care, per 3 months (GBP) Uniform 10,608 8000 12,000 PSSRU [36]
Cost of community care per 3 months (GBP) Uniform 5941 2500 6500 PSSRU [36]
Cost of inpatient bed-day (GBP) Gamma 279 43.03 42.0417 6.6363 NHS Reference Costs 2013 [37]d
Thiamine preparation, per pair of ampoules Constant GBP1.96 BNF 67 [40]e
Multivitamins, per day Constant GBP0.054 BNF 67 [40]f
Magnesium supplement, per day Constant GBP1.10 BNF 67 [40]g
IV giving set Constant GBP1.95 Representative costh
Saline 1 L Constant GBP0.97 BNF 67 [40]i
IV catheter Constant GBP1.80 Representative costj

BNF British National Formulary, ED emergency department, IV intravenous, KS Korsakoff’s syndrome, LT long-term, PSSRU Personal Social Services Research Unit, RR relative risk, SE standard error, WKS Wernicke–Korsakoff syndrome

aParameters for each distribution are as follows: normal- mean, standard error; beta- successes, failures; scaled beta- as for beta, with range for distribution reported in source/notes column; gamma- shape, scale; lognormal- natural log of mean, standard error of natural log of mean; uniform- lower and upper bounds

bTransition as per Fig. 1

cSee Electronic Supplementary File 3 for further details of the elicitation panel

dBased on mean of elective inpatient general surgery excess bed-day costs

ePabrinex® IV, GBP1.96 per pair of ampoules

fMultivitamin capsules, GBP1.50 per 28-capsule pack

gNon-proprietary magnesium maximum dose 160 mmol IV over 5 days

h http://www.dsmedical.co.uk/iv_giving_set

iNon-proprietary 1 L saline

jVenflon, www.vivomed.com