Table 3.

Comparison between pre- and 1 w post-operative VAS, LKA, VWA and FVHr intra-group

Groups		Pre-scores (Mean $\pm$ SD)	3 w post-scores (Mean $\pm$ SD)	$P$ value
VAS	PVP GI	7.78 $\pm$ 1.09	3.00 $\pm$ 0.82	0.01${}^{*}$
	PSSF GII	7.78 $\pm$ 1.19	4.33 $\pm$ 1.08	0.01${}^{*}$
LKA (${}^{\circ }$)	PVP GI	11.65 $\pm$ 7.21	10.80 $\pm$ 5.97	0.54
	PSSF GII	12.18 $\pm$ 6.03	6.55 $\pm$ 3.61	0.01${}^{*}$
VWA (${}^{\circ }$)	PVP GI	14.19 $\pm$ 9.79	13.21 $\pm$ 10.49	0.71
	PSSF GII	14.35 $\pm$ 6.08	8.72 $\pm$ 3.59	0.01${}^{*}$
FVHr (%)	PVP GI	23.88 $\pm$ 6.42	16.37 $\pm$ 11.11	0.01${}^{*}$
	PSSF GII	26.34 $\pm$ 11.78	10.44 $\pm$ 7.18	0.01${}^{*}$

Note: VAS and ODI recorded are the actual scores. The range is in brackets. (${}^{*}$ 0.05); Pre-: preoperative; 1 w post-: 1 week postoperative.