Table 2.

Outcome of 33 patients received surgical management

Index		Outcome of surgical management (n = 33)
ESR	Pre-op	Post 7 days	Post 3 month
	53.7 ± 15.4	38.7 ± 10.7	6.9 ± 1.2
VAS	Pre-op	Post-op 3 month	6 month	12 months
	6.9 ± 1.2	2.9 ± 0.7	1.8 ± 0.7	1.2 ± 0.4
	P	< 0.001	< 0.001	< 0.001
ODI	56.2 ± 4.7	40.4 ± 4.8	28.8 ± 5.5	4.2 ± 1.5
	P	< 0.001	< 0.001	< 0.001

The normal reference value of ESR in our hospital: < 15 mm/h (male), < 20 mm/h (female)