Egyptian Rheumatology and Rehabilitation

Table 6 Comparison between group 1 and group 2 as regards post-treatment assessment of VAS pain score, hand grip dynamometer, finger flexion, thickness of A1 pulley, synovial sheath thickness, Green’s classification, finger extension, presence of palpable nodules, finger locking, and hypervascularity

From: Extra-corporeal shock wave therapy versus local corticosteroid injection in treatment of chronic trigger finger in diabetic patients

After		Group				T-test
After		Shock wave		Injection		T	P-value
VAS	Range	1–3		1–4		-2.610	0.012*
VAS	Mean ± SD	1.960 ± 0.841		2.640 ± 0.995		-2.610	0.012*
Dynamometer	Range	15–50		12–40		4.241	< 0.001**
Dynamometer	Mean ± SD	32.200 ± 11.456		20.480 ± 7.725		4.241	< 0.001**
Finger flexion	Range	15–90		10–80		1.675	0.101
Finger flexion	Mean ± SD	60.600 ± 20.783		50.800 ± 20.599		1.675	0.101
Size of pulley	Range	0.4–1		0.5–1.3		-3.309	0.002*
Size of pulley	Mean ± SD	0.612 ± 0.190		0.828 ± 0.265		-3.309	0.002*
Synovial sheath thickness	Range	0.4–2.3		0.5–2.6		-1.168	0.248
Synovial sheath thickness	Mean ± SD	1.108 ± 0.590		1.316 ± 0.666		-1.168	0.248
Chi-square		N	%	N	%	χ²	P-value
Green’s classification	I	16	64.00	9	36.00	3.942	0.139
	II	7	28.00	12	48.00
	III	2	8.00	4	16.00
Finger extension	No	0	0.00	5	20.00	5.556	0.018*
Finger extension	Extend	25	100.00	20	80.00	5.556	0.018*
Presence of nodule	No	24	96.00	18	72.00	5.357	0.021*
Presence of nodule	Present	1	4.00	7	28.00	5.357	0.021*
Finger locking	Negative	20	80.00	12	48.00	5.556	0.018*
Finger locking	Positive	5	20.00	13	52.00	5.556	0.018*
Hypervascularity	Negative	24	96.00	25	100.00	1.020	0.312
Hypervascularity	Positive	1	4.00	0	0.00	1.020	0.312

N, number; %, percentage; SD, standard deviation; VAS, Visual Analogue Scale; paired T test, chi-square test, P > 0.05 NS; *P ≤ 0.05 S, **P ≤ 0.001 HS

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