Table 3.

Inflammatory factors expression (x̅ ± s)

Group (n)	VEGF (ng/L)		IL-1β (ng/L)		TNF-α (ng/L)
	Week 4	Week 8	Week 4	Week 8	Week 4	Week 8
Group A (n)	59.0 ± 5.1	59.5 ± 6.3	16.3 ± 4.2	16.8 ± 5.1	16.6 ± 5.3	18.2 ± 6.0
Group B (n)	81.3 ± 6.0a	84.5 ± 7.1a	31.2 ± 5.1a	31.5 ± 4.2a	38.7 ± 6.0a	38.4 ± 5.1a
Group C (n)	98.3 ± 7.1a,b,c	104.3 ± 5.8a,b,c	23.3 ± 4.2a,b,c	23.8 ± 3.8a,b,c	24.3 ± 4.8a,b,c	24.5 ± 6.7a,b,c
Group D (n)	90.1 ± 5.1a,c	92.3 ± 6.1a,c	27.1 ± 4.1a,c	27.7 ± 4.4a,c	31.1 ± 5.8a,c	32.8 ± 6.0a,c

^acompared with group A, P < 0.05;

^bcompared with group D, P < 0.05;

^ccompared with group B, P < 0.05.