Effect of electroacupuncture combined with rehabilitation techniques on shoulder function in patients with rotator cuff injuries

Table 6 Comparison of the occurrence of complications

	Control group (n = 48)	Study group (n = 49)	χ2	P value
Secondary tear	1 (2.08)	0 (0.00)
Shoulder joint adhesion	1 (2.08)	1 (2.04)
Joint itch of skin	3 (6.25)	2 (4.08)
Infect	2 (4.17)	1 (2.04)
Numb	2 (4.17)	2 (4.08)
Total occurrence	9 (18.75)	6 (12.24)	0.785	0.376