Table 2.

Pre-injection vs. final follow-up in 13 weeks: intragroup analysis

Variable	Pre-injection (n=24)	Final follow-up (n=24)	P-value*
GH group (n=24)
FE ROM (°)	127.5±7.4	148.8±3.4	<0.001
ER at side ROM (°)	53.8±13.1	76.9±13.0	<0.001
IR at 90° ROM (°)	45.4±7.2	75.0±11.5	<0.001
pVAS score	6.3±2.0	2.6±2.1	<0.001
ASES score	46.1±18.4	74.5±19.0	<0.001
Constant score	55.9±7.9	67.2±8.8	<0.001
SA group (n=24)
FE ROM (°)	129.2±8.3	148.3±3.8	<0.001
ER at side ROM (°)	54.6±10.8	76.5±8.0	<0.001
IR at 90° ROM (°)	48.8±9.0	74.4±8.9	<0.001
pVAS score	6.0±1.2	2.6±1.5	<0.001
ASES score	53.0±8.9	77.1±12.9	<0.001
Constant score	59.2±7.6	68.7±9.9	<0.001

Values are presented as mean±standard deviation. GH group: ultrasound-guided glenohumeral steroid injection, SA group: ultrasound-guided subacromial steroid injection.

FE: forward elevation, ROM: range of motion, ER: external rotation at side, IR: internal rotation at 90˚ of abduction, pVAS: pain visual analog scale, ASES: American Shoulder and Elbow Surgeons, Constant: Constant-Murley.

^*P-value <0.05.