Table 4.

Changes in the Mechanical Heterogeneity Index and Pressure-Pain Threshold From Baseline to the 8-week Follow-up in the Subset of Patients With Reliably Detectable Changes in the Mechanical Heterogeneity Index

Detectable Change in MHI (>21%)	Age, y	n	% n	Male	Female	Variable	Baseline Mean (95% CI)	8-wk Follow-up Mean (95% CI)	P
All treated	39 ± 13	21	70 (21/30)	9	12	MHI	0.18 (0.16–0.20)	0.14 (0.11–0.17)	.030
						PPT	6.50 (5.39–7.61)	9.10 (7.99–10.21)	.0014
Responded	39 ± 13	14	64 (14/22)	7	7	MHI	0.18 (0.16–0.20)	0.09 (0.08–0.11)	<.0001
						PPT	6.90 (5.59–8.21)	9.40 (8.04–10.76)	.022
Resolved	43 ± 12	8	80 (8/10)	4	4	MHI	0.16 (0.14–0.19)	0.08 (0.06–0.10)	.0002
						PPT	7.60 (5.52–9.68)	10.30 (8.57–12.03)	0.10

Notations are as in Table 1.