Corticosteroid injection alone vs additional physiotherapy treatment in early stage frozen shoulders

Table 1 Demographics and patient characteristics

Characteristic	Total	Non-PT	PT	P-value
No. of patients	21	11	10
Age (yr)	51.9 (SD 5.1)	50.4 (SD 6.1)	53.3 (SD 3.8)	0.17
Gender
Male	9 (43)	4 (36)	5 (50)
Female	12 (57)	7 (64)	5 (50)	0.67
Stage of frozen shoulder
Freezing (stage I)	8 (38)	6 (55)	2 (20)
Frozen (stage II)	13 (62)	5 (45)	8 (80)	0.18
Duration of symptoms prior to intervention
< 6 mo	13 (62)	9 (82)	4 (40)
> 6 mo	8 (38)	2 (18)	6 (60)	0.08
Previous injection around the shoulder	11 (52)	5 (45)	6 (60)	0.67
Previous PT	15 (71)	7 (64)	8 (80)	0.64
Disabled to work related to shoulder	4 (19)	2 (18)	2 (20)	1.00
Diabetes mellitus	2 (10)	2 (18)	0 (0)

PT: Physiotherapy treatment.