High-resolution MRI of flexor tendon pulleys using a 16-channel hand coil: disease detection and differentiation of psoriatic and rheumatoid arthritis

Table 3 Mean values ± standard deviation and intergroup comparisons of flexor tendon pulley inflammatory changes in PsA, RA, and HC patients

Finger + pulley	PsA	RA	HC	PsA vs RA	PsA vs HC	RA vs HC
Finger + pulley	Inflammatory changes			p values
D2 A1	2.82 ± 1.25	2.55 ± 1.43	0.94 ± 1.14	0.82	0.001	< 0.003
D2 A2	2.06 ± 1.08	1.75 ± 1.55	0.75 ± 1.03	0.77	0.02	0.08
D3 A1	3.24 ± 1.59	2.6 ± 1.16	0.69 ± 0.98	0.35	< 0.001	< 0.001
D3 A2	3.28 ± 1.62	1.85 ± 1.56	0.94 ± 1.03	0.02	< 0.001	0.2
D4 A1	2.65 ± 1.37	2.05 ± 1.24	0.5 ± 0.79	0.33	< 0.001	0.002
D4 A2	2.5 ± 1.12	1.7 ± 1.05	1.13 ± 1.11	0.1	0.002	0.32
D5 A1	2.18 ± 1.15	1.5 ± 1.57	0.38 ± 0.70	0.27	0.001	0.036
D5 A2	2.22 ± 1.27	1.95 ± 1.53	0.69 ± 0.98	0.82	0.007	0.03
D2–5 A1	10.88 ± 4.30	8.7 ± 3.15	2.5 ± 2.87	0.194	< 0.001	< 0.001
D2–5 A2	10.06 ± 3.11	7.25 ± 3.65	3.5 ± 3.51	0.031	< 0.001	0.004
D2–5 A1 + 2	20.65 ± 6.57	15.95 ± 7.01	6 ± 6.3	0.048	< 0.001	< 0.001

After (adapted) Bonferroni correction, p values < 0.0167 were considered significant and are printed in bold type

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