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Table 4 Correlation of preoperative PDPAA and HVA for cohort 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

 

PDPAA < 8°

PDPAA > 8°

 
 

Mean

SD

Mean

SD

p value

HVA preoperative (C)

28.0

6.9

28.7

8.1

0.221

HVA postoperative (C)

9.3

5.4

10.2

5.8

0.038

HVA 6 weeks (C)

12.8

5.4

14.7

7.2

0.001

HVA 12 weeks (C)

13.5

6.4

15.0

7.4

0.006

HVA FU (C)

12.5

6.8

17.0

8.3

0.000

HVA preoperative (AC)

29.5

6.7

27.3

6.7

0.196

HVA postoperative (AC)

6.0

3.8

6.2

4.8

0.818

HVA 6 weeks (AC)

9.7

6.1

7.8

5.6

0.219

HVA 12 weeks (AC)

8.4

5.0

8.9

6.3

0.710

HVA FU (AC)

9.2

6.0

8.5

6.7

0.811

  1. HVA hallux valgus angle, PDPAA proximal to distal phalangeal articular angle, SD standard deviation, FU follow-up, AC Chevron and concomitant Akin, C Chevron