Comparison of screening strategies for prevalent vertebral fractures in South Korea: vertebral fracture assessment vs. spine radiography

Table 2 Summary of the input parameters in the model for multivariate sensitivity analysis and subgroup analysis

Parameters	Value^a		Sources	Note
Parameters	Women	Men	Sources	Note
Cycle length one-year
one-year VF incidence	0.06	0.02	HIRA	NHI database
one-year new VF incidence	0.11	0.11	[19]	Hospital cohort-NHI database linked data
VFs treatment cost^a (€)	1458	1509	HIRA	NHI database
Women aged 70 and older, men aged 80 and older
VF prevalence	0.43	0.46	[18]	Community-based cohort
two-year VF incidence	0.29	0.17	HIRA	NHI database
two-year new VF incidence	0.32	0.32	[19]	Hospital cohort-NHI database linked data
RR of new VF on drug therapy	0.60	0.60	[33]	Meta-analysis, pooled RR
Sensitivity of VFA	0.88	0.88	[34]	Diagnostic accuracy study for elderly adults
Specificity of VFA	0.99	0.99	[34]	Diagnostic accuracy study for elderly adults
VFs treatment cost^a (€)	1513	1675	HIRA	NHI database

HIRA Health Insurance Review and Assessment Service, NHI National Health Insurance, VF vertebral fracture, VFA vertebral fracture assessment, RR relative risk
^aKorean won converted to euros (€) using an exchange rate of 1€ = 1482 KRW (2013)

ISSN: 1471-2474