TABLE 4.

Differences in Follow-up Parameters in the SSNB + IAI Group^a

		After Intervention
	Before Intervention	2 wk	P Value	2 mo	P Value
PVAS	6.73 ± 1.33	4.27 ± 1.65	.001	3.25 ± 1.31	<.001
FVAS	3.75 ± 1.87	5.73 ± 1.83	<.001	6.77 ± 1.29	<.001
ASES	31.17 ± 11.01	54.06 ± 13.35	<.001	64.21 ± 11.05	<.001
Constant	35.50 ± 8.81	52.04 ± 10.73	<.001	60.73 ± 10.32	<.001
KSS	40.38 ± 11.55	58.46 ± 12.26	.001	66.00 ± 11.22	<.001
SST	3.15 ± 1.47	5.44 ± 1.43	.005	6.90 ± 1.29	<.001
SPADI pain	59.92 ± 14.17	38.92 ± 14.01	<.001	31.10 ± 11.24	<.001
SPADI disability	63.44 ± 15.28	45.25 ± 13.72	<.001	35.00 ± 11.63	<.001
SPADI total	62.44 ± 14.07	42.83 ± 12.87	<.001	34.15 ± 11.10	<.001
FF	121.46 ± 22.31	143.13 ± 20.44	<.001	153.13 ± 17.15	<.001
ER	33.33 ± 13.26	46.46 ± 13.45	.010	54.79 ± 13.84	<.001
IR	4.67 ± 3.19	7.81 ± 3.11	.009	9.02 ± 2.76	.005
ABD	102.50 ± 29.21	134.79 ± 23.97	<.001	151.25 ± 20.28	<.001

^aValues are presented as mean ± SD. All parameters at both follow-up times showed significant improvements compared with before intervention (P < .05). ABD, abduction; ASES, American Shoulder and Elbow Surgeons; ER, external rotation; FF, forward flexion; FVAS, function visual analog scale; IAI, intra-articular corticosteroid injection; IR, internal rotation; KSS, Korean Shoulder Scoring System; PVAS, pain visual analog scale; SPADI, Shoulder Pain and Disability Index; SSNB, suprascapular nerve block; SST, Simple Shoulder Test.