Table 2.

Summary and comparison of ODI & VAS between the two groups.

	ODI from group ARCH	ODI from group AP	P	VAS from group ARCH	VAS from group AP	P
Pre-operative	27.44 (16–50)	36.07 (19–58)	0.08	4.17 (2–8)	5.21 (3–8)	0.099
1-month post-op	19.50 (10–37)	21.64 (8–36)	0.471	3.00 (2–5)	3.50 (2–6)	0.249
3-month post-op	5.83 (4–16)	10.00 (4–27)	0.06	1.78 (1–3)	2.29 (1–4)	0.073
6-month post-op	3.94 (2–8)	6.07 (2–16)	0.07	1.17 (0–2)	1.50 (1–2)	0.103
Last follow up	2.50 (2–4)	3.43 (2–10)	0.107	0.72 (0–2)	1 (0–2)	0.273

ODI = Oswestry Disability Index.

VAS = Visual Analogue Scale.

P > 0.05 has no statistical significance.