. 2012 Sep 19;36(11):2275–2278. doi: 10.1007/s00264-012-1656-9

Table 3.

Pre- and and postoperative comparison of radiographic parameters

	Pre-operative	Postoperative	Mean difference	P value
HVA (°)
DMO group	40.23 (6.29)	21.54 (9.63)	18.69 (11.35)	<0.001^a
PMO group	40.38 (6.80)	11.09 (7.27)	29.29 (9.68)	<0.001^a
IMA
DMO group	18.02 (3.45)	11.17 (4.22)	6.85 (4.55)	<0.001^a
PMO group	18.16 (4.27)	8.62 (4.26)	9.54 (3.95)	<0.001^a
DMAA
DMO group	9.23 (5.28)	14.40 (8.56)	−5.17 (9.07)	<0.001^a
PMO group	8.62 (5.87)	8.08 (5.86)	0.54 (7.72)	0.533
Joint congruency
DMO group	1.00 (0)	1.92 (0.27)	−0.92 (0.27)	<0.001^a
PMO group	1.04 (0.19)	1.59 (0.49)	−0.55(0.50)	<0.001^a
Sesamoid position
DMO group	6.12 (0.94)	4.73 (1.21)	1.39 (1.17)	<0.001^a
PMO group	6.13 (1.13)	3.14 (1.86)	2.99(1.88)	<0.001^a

HVA hallux valgus angle, IMA intermetatarsal angle, DMO distal metatarsal osteotomy, PMO proximal metatarsal osteotomy, DMAA distal metatarsal articular angle

^aP < 0.05