Table 1.

The general statistics collected within this study.

Variable		Localization group (n1 = 26)	Non-localization group (n2 = 25)	P value
Age $(\overline{\mathrm{x}}\pm \mathrm{s})$ (y)		48.96 ± 9.54	45.60 ± 11.08	P > 0.05
Gender	Male	8 (31.00%)	10 (40.00%)	P > 0.05
	Female	18 (69.00%)	15 (60.00%)	P > 0.05
Duration of conservative treatment [Median(Q1,Q3)](m)		6.5 (6, 12)	6 (6, 9)	P > 0.05
ASES	Preoperative $(\overline{\mathrm{x}}\pm \mathrm{s})$	52.24 ± 13.01	51.58 ± 13.04	P > 0.05
	Postoperative(1d) $(\overline{\mathrm{x}}\pm \mathrm{s})$	86.36 ± 7.16	83.02 ± 7.10
	1-month follow-up $(\overline{\mathrm{x}}\pm \mathrm{s})$	91.1 ± 15.48	92.2 ± 3.61
External rotation angle (°)	Preoperative $(\overline{\mathrm{x}}\pm \mathrm{s})$	23.78 ± 5.71	25.76 ± 5.37	P > 0.05
	Postoperative(1d) $(\overline{\mathrm{x}}\pm \mathrm{s})$	37.75 ± 3.49	38.74 ± 4.04
	1-month follow-up $(\overline{\mathrm{x}}\pm \mathrm{s})$	53.13 ± 4.29	54.06 ± 4.00
Forward Flexion angle (°)	Preoperative $(\overline{\mathrm{x}}\pm \mathrm{s})$	85.30 ± 6.64	84.4 ± 6.90	P > 0.05
	Postoperative(1d) $(\overline{\mathrm{x}}\pm \mathrm{s})$	136.07 ± 7.16	136.9 ± 7.12
	1-month follow-up $(\overline{\mathrm{x}}\pm \mathrm{s})$	169.90 ± 5.68	170.69 ± 4.57
VAS	Preoperative $(\overline{\mathrm{x}}\pm \mathrm{s})$	8.08 ± 0.80	8.00 ± 0.58	P > 0.05
	Postoperative(1d) $(\overline{\mathrm{x}}\pm \mathrm{s})$	2.12 ± 0.65	2.44 ± 0.65
	Postoperative(1 m) $(\overline{\mathrm{x}}\pm \mathrm{s})$	1.00 ± 0.52	1.00 ± 0.60
Patients’ satisfaction $(\overline{\mathrm{x}}\pm \mathrm{s})$		7.92 ± 0.85	7.88 ± 0.78	P > 0.05
exploration time $(\overline{\mathrm{x}}\pm \mathrm{s})$ (s)		9.31 ± 2.94	336.96 ± 163.14	P < 0.05
Operative time $(\overline{\mathrm{x}}\pm \mathrm{s})$ (min)		33.71 ± 5.09	37.95 ± 5.00	P < 0.05