A pain relieving reimbursement program? Effects of a value-based reimbursement program on patient reported outcome measures

Table 4 Parameter estimates predicting the mean monthly EQ-5D-3L level among surgically treated patients

Parameter	EQ-5D-3L baseline			EQ-5D-3L 1-year follow up			EQ-5D-3L Δ (follow up-baseline)
Parameter	Estimate	SE	p-value	Estimate	SE	p-value	Estimate	SE	p-value
Intercept	0.365	0.01	<.0001	0.686	0.011	<.0001	0.319	0.016	<.0001
Time	0.0001	0	0.488	−0.0001	0.0002	0.532	0.0004	0.0003	0.143
VBRP	−0.015	0.021	0.483	−0.004	0.022	0.85	0.001	0.033	0.972
Time after	−0.0001	0.001	0.956	0.0001	0.001	0.938	0.001	0.002	0.751
July	−0.113	0.018	<.0001	0.117	0.018	<.0001	0.279	0.027	<.0001

Note: SE Standard error, Intercept, the EQ-5D-3L level in January 2006; Time, number of months from January 2006; VBRP, indicates the introduction of the STHLM-VBRP in the end of 2013; which is 92 months after January 2006 (Time = 92); Time after, number of months after the introduction of VBRP (hence Time-91); July, indicates the month of July
Parameter estimates from the segmented regression analysis predicting the mean monthly EQ-5D-3L level among surgically treated patients before and after the introduction of the STHLM-VBRP, 2006–2015. The introduction of the reimbursement program had no effect on level (VBRP) nor trend (Time after) of EQ-5D-3L

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