Introduction the revolving scarf osteotomy for treating severe hallux valgus with an increased distal metatarsal articular angle: a retrospective cohort study

Table 3 Clinical parameters of two group

Radiological parameters	RSO n = 32	DMO n = 30	p
HVA
Preoperative	40.5° ± 2.59°	40.53° ± 3.01°	0.963
12 months postoperative	10.16° ± 2.80°	11.03° ± 2.16°	0.174
change	30.34° ± 3.39°	29.5 ± 3.79	0.359
P	< 0.001	< 0.001
IMA
Preoperative	14.47° ± 3.8°	15.37° ± 3.49°	0.337
12 months postoperative	6.25° ± 1.05°	6.03° ± 1.03°	0.416
change	8.23° ± 3.76°	9.33° ± 3.41°	0.227
P	< 0.001	< 0.001
DMAA
Preoperative	30.75° ± 5.14°	29.83° ± 5.65°	0.506
12 months postoperative	5.97° ± 1.28°	6.47° ± 1.57°	0.175
change	24.78 ± 4.78	23.37° ± 5.29°	0.274
P	< 0.001	< 0.001
First Metatarsal Length (mm)
Preoperative	54.91 ± 3.28	54.97 ± 301	0.94
12 months postoperative	56.06 ± 2.94	52.23 ± 2.67	< 0.001
change	−1.57 ± 0.81	2.73 ± 1.89	< 0.001
P	< 0.001	< 0.001

Change were calculated as difference values between values and values 12 months postoperatively. HVA (Hallux Valgus Angle) IMA (Intermetatarsal Angle) DMAA (Distal Metatarsal Articular Angle) FML (First Metatarsal Length) RSO (Revolving Scarf Osteotomy) DMO (Double Metatarsal Osteotomy)

ISSN: 1471-2474