Table 2.

Comparison of biochemical test between three surgery approaches before and after surgery (n = 138, ‾x ± s)

		Pre-op	Post-op	Last	P
Anterior	ESR	52.45 ± 16.043	37.84 ± 11.658	5.02 ± 2.074	< 0.001
n = 44	CRP	21.714 ± 7.0443	10.520 ± 5.5484	1.889 ± 1.1614	< 0.001
Posterior	ESR	52.90 ± 14.922	29.38 ± 11.234	4.69 ± 2.030	< 0.001
n = 42	CRP	22.381 ± 10.531	10.807 ± 5.5023	1.860 ± 1.2214	< 0.001
Anterior–posterior	ESR	52.67 ± 16.366	37.77 ± 11.676	4.87 ± 2.223	< 0.001
n = 52	CRP	19.913 ± 10.797	11.492 ± 6.2294	2.063 ± 1.3637	< 0.001