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Table 5 Influence of preoperative PDPAA on HVA values

From: Outcomes after scarf osteotomy with and without Akin osteotomy a retrospective comparative study

  PDPAA < 8° PDPAA > 8°  
Mean SD Mean SD P value
HVA preoperative (S) 32.8 7.8 35.3 7.2 0.054
HVA postoperative (S) 8.2 6.1 12.4 8.1 < 0.001
HVA 6 weeks (S) 14.1 6.0 18.1 8.5 0.001
HVA 12 weeks (S) 15.1 7.2 19.5 9.0 0.001
HVA FU (S) 13.2 8.9 24.6 9.7 < 0.001
HVA preoperative (SA) 31.8 8.2 35.0 6.6 0.096
HVA postoperative (SA) 6.5 4.6 8.4 5.7 0.190
HVA 6 weeks (SA) 10.2 6.3 11.3 6.4 0.534
HVA 12 weeks (SA) 9.5 6.9 10.7 7.5 0.530
HVA FU (SA) 7.2 5.1 11.8 8.5 0.276
  1. HVA hallux valgus angle, PDPAA proximal to distal phalangeal articular angle, SD standard deviation, FU follow up, SA scarf and concomitant Akin, S scarf