Table 5.

Comparison of ESR and CRP before surgery, 6 months after surgery and at the last follow-up between the two groups ( $\overline{x}\pm s$ ).

Group	n	Preoperative		6 months after surgery		Last follow-up
		ESR (mm/h)	CRP (mg/L)	ESR (mm/h)	CRP (mg/L)	ESR (mm/h)	CRP (mg/L)
A	75	39.06 ± 25.07	29.34 ± 33.47	17.58 ± 13.14	4.90 ± 8.90	9.64 ± 8.32	1.21 ± 1.47
B	59	38.66 ± 23.39	26.71 ± 20.33	15.47 ± 13.67	3.30 ± 5.80	8.66 ± 8.91	1.59 ± 2.15
t		0.09	0.53	0.90	1.20	0.66	−1.22
p		0.93	0.597	0.37	0.23	0.51	0.23