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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