Table 2.

Comparison of complications in the two groups [n (%)]

Group	Muscle atrophy	Stiff joints	Hematoma	Thrombus	Infection	The incidence rate
Observation group (n=40)	1 (2.50)	2 (5.00)	1 (2.50)	0 (0.00)	0 (0.00)	4 (10.00)
Control group (n=39)	2 (5.13)	3 (7.69)	2 (5.13)	2 (5.13)	2 (5.13)	11 (28.21)
X2						4.255
P						0.039