Cost-effectiveness analysis of a chronic back pain multidisciplinary biopsychosocial rehabilitation (MBR) compared to standard care for privately insured in Germany

Table 1 Data preparation process for selection of the study population

Data processing steps and number of participants	Overall	MBR	Control	Used in
Evaluation of the study group	443	189	254	Published in [28]
Exclusion of participants without any billing invoice available	435	186	249	Sensitivity analysis III
Exclusion due to unstable unit treatment	431	185	246
Exclusion due to deductible/tariff	404	172	232
Propensity score matching (ITT group) + truncation	273	136	137	Sensitivity analysis II
Exclusion of non-exercising participants	223	112	111	Main analysis
Analysis of participants who improved their back pain at the end of follow-up	106	62	44	Sensitivity analysis I

ISSN: 1472-6963