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Table 3 Postoperative radiological data for cohorts C and AC

From: Need for concomitant Akin osteotomy in patients undergoing Chevron osteotomy can be determined preoperatively: a retrospective comparative study of 859 cases

 

Chevron (C)

Chevron/Akin (AC)

Significance between C and AC

 

Mean

SD

Mean

SD

p value

IMA postoperative

4.6

2.4

4.1

2.4

0.109

IMA 6 weeks

5.9

2.8

5.1

2.9

0.026

IMA 12 weeks

6.4

3.0

6.0

3.2

0.339

IMA FU

6.0

2.8

4.5

2.9

0.007

DMAA postoperative

7.2

4.9

6.1

3.7

0.087

DMAA 6 weeks

6.7

6.8

4.9

7.7

0.053

DMAA 12 weeks

7.6

5.6

6.9

5.3

0.314

DMAA FU

7.4

6.7

6.1

7.8

0.333

PDPAA postoperative

7.8

3.8

5.5

2.9

0.000

PDPAA 6 weeks

7.7

4.3

4.3

3.2

0.000

PDPAA 12 weeks

7.5

3.8

6.0

3.8

0.001

PDPAA FU

7.0

4.0

4.5

2.3

0.001

Joint congruity postoperative

5.2

5.1

5.5

5.0

0.706

Joint congruity 6 weeks

6.2

6.2

8.4

7.6

0.008

Joint congruity 12 weeks

5.7

5.5

7.0

6.6

0.053

Joint congruity FU

6.6

6.9

9.2

6.0

0.049

Sesamoids postoperative

1.6

0.8

1.4

0.6

0.048

Sesamoids 6 weeks

2.3

0.9

2.1

1.1

0.064

Sesamoids 12 weeks

2.2

1.2

1.9

1.0

0.058

Sesamoids FU

2.7

1.1

2.1

0.9

0.004

  1. IMA intermetatarsal angle, DMAA distal metatarsal articular angle, PDPAA proximal to distal phalangeal articular angle, SD standard deviation, and FU follow-up