TABLE 5.

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

		After Intervention
	Before Intervention	2 wk	P Value	2 mo	P Value
PVAS	6.30 ± 1.46	3.48 ± 1.51	<.001	2.81 ± 1.29	<.001
FVAS	4.91 ± 1.40	6.31 ± 1.49	<.001	7.13 ± 1.26	<.001
ASES	35.22 ± 11.31	57.11 ± 13.19	<.001	63.76 ± 11.49	<.001
Constant	38.91 ± 10.08	53.59 ± 11.59	<.001	61.09 ± 10.34	<.001
KSS	39.98 ± 10.38	58.48 ± 12.61	.009	67.35 ± 1.51	<.001
SST	3.26 ± 1.31	5.52 ± 1.59	.010	6.56 ± 1.48	<.001
SPADI pain	52.28 ± 14.01	34.52 ± 12.12	<.001	29.54 ± 10.01	<.001
SPADI disability	57.78 ± 13.38	41.26 ± 14.19	<.001	34.76 ± 12.41	<.001
SPADI total	55.61 ± 12.78	38.20 ± 12.30	<.001	32.44 ± 10.23	<.001
FF	126.85 ± 23.05	142.41 ± 19.32	<.001	151.48 ± 16.53	<.001
ER	35.00 ± 15.14	47.41 ± 14.94	.029	55.00 ± 12.70	<.001
IR	5.09 ± 3.67	7.80 ± 3.59	.013	9.24 ± 3.35	<.001
ABD	112.41 ± 32.44	135.93 ± 29.17	<.001	148.33 ± 22.04	<.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; SST, Simple Shoulder Test.