Percutaneous Vertebroplasty for Painful Compression Fractures in a Small Cohort of Patients with a Decreased Expectation-Related Placebo Effect due to Dementia

Article Figures & Data

Table 1:

Pain at rest and with activity at all follow-up time points

Pain	Result	Post-Op (%)	1 Week (%)	1-Month Follow-Up (%)	6 Months (%)	1 Year (%)
At rest	Improved or resolved	78 (7/9)	88 (7/8)	80 (4/5)	100 (6/6)	100 (4/4)
	Resolved	33 (3/9)	38 (3/8)	40 (2/5)	83 (5/6)	50 (2/4)
	Improved	44 (4/9)	50 (4/8)	40 (2/5)	17 (1/6)	50 (2/4)
	No change	11 (1/9)	13 (1/8)	0 (0/5)	0 (0/6)	0 (0/4)
	Worse	11 (1/9)	0 (0/8)	20 (1/5)	0 (0/6)	0 (0/4)
With activity	Improved or resolved	89 (8/9)	100 (8/8)	80 (4/5)	100 (6/6)	100 (4/4)
	Resolved	11 (1/9)	25 (2/8)	20 (1/5)	50 (3/6)	25 (1/4)
	Improved	78 (7/9)	75 (6/8)	60 (3/5)	50 (3/6)	75 (3/4)
	No change	11 (1/9)	0 (0/8)	0 (0/5)	0 (0/6)	0 (0/4)
	Worse	0 (0/9)	0 (0/8)	20 (1/5)	0 (0/6)	0 (0/4)

Table 2:

Mobility and pain medication usage at all follow-up time points

	Result	1 Week (%)	1-Month Follow-Up (%)	6 Months (%)	1 Year (%)
Mobility	Improved	100 (7/7)	80 (4/5)	100 (6/6)	100 (5/5)
	No change	0 (0/7)	0 (0/5)	0 (0/6)	0 (0/5)
	Worse	0 (0/7)	20 (1/5)	0 (0/6)	0 (0/5)
Pain medication use	Decreased or none	67 (4/6)	60 (3/5)	100 (6/6)	100 (3/3)
	None	17 (1/6)	0 (0/5)	17 (1/6)	33 (1/3)
	Decreased	50 (3/6)	60 (3/5)	83 (5/6)	67 (2/3)
	No change	33 (2/6)	20 (1/5)	0 (0/6)	0 (0/3)
	Increased	0 (0/6)	20 (1/5)	0 (0/6)	0 (0/3)