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Table 2 Clinical and radiographic assessment results of patients with MSHV

From: Transfer of abductor hallucis tendon combined with scarf osteotomy versus single scarf osteotomy in moderate to severe hallux valgus deformity: a comparative retrospective cohort study

  TAHTCSO(n = 45) SO(n = 47) P Test
IMA before surgery 16.47 ± 2.30 15.98 ± 1.89 0.3472 Unpaired T test
IMA 6 months 7.03 ± 0.70 7.27 ± 1.35 0.1405 Unpaired T test
IMA 12 months 7.31 ± 1.72 8.03 ± 3.67 0.2301 Unpaired T test
IMA 24 months 8.62 ± 2.49 9.02 ± 2.43 0.2505 Unpaired T test
HVA before surgery 34.02 ± 3.49 33.02 ± 2.43 0.9072 Unpaired T test
HVA 6 months* 11.96 ± 1.33 15.72 ± 3.99 < 0.0001 Unpaired T test
HVA 12 months* 13.03 ± 1.70 17.11 ± 3.69 < 0.0001 Unpaired T test
HVA 24 months* 13.71 ± 2.62 19.38 ± 2.53 < 0.0001 Unpaired T test
DMAA before surgery 9.71 ± 2.62 9.38 ± 2.53 0.4589 Unpaired T test
DMAA 6 months 6.09 ± 0.89 6.32 ± 0.77 0.0542 Unpaired T test
DMAA 12 months 6.23 ± 1.02 6.25 ± 1.15 0.1537 Unpaired T test
DMAA 24 months 7.05 ± 1.13 7.12 ± 0.89 0.2769 Unpaired T test
1#MTP ROM (dorsiflexion) before surgery 68.25 ± 2.90 68.73 ± 3.10 0.3681 Unpaired T test
1#MTP ROM (dorsiflexion) 6 months 69.23 ± 3.02 69.16 ± 1.89 0.1364 Unpaired T test
1#MTP ROM (dorsiflexion) 12 months 71.18 ± 2.81 70.09 ± 2.23 0.2246 Unpaired T test
1#MTP ROM (dorsiflexion) 24 months 73.78 ± 2.72 75.08 ± 1.87 0.3013 Unpaired T test
1#MTP ROM (plantarflexion) before surgery 33.05 ± 3.13 32.12 ± 2.89 0.2589 Unpaired T test
1#MTP ROM (plantarflexion) 6 months 35.72 ± 2.97 36.73 ± 1.78 0.1854 Unpaired T test
1#MTP ROM (plantarflexion) 12 months 36.63 ± 1.98 37.03 ± 1.89 0.2583 Unpaired T test
1#MTP ROM (plantarflexion) 24 months 37.73 ± 2.08 39.71 ± 1.06 0.2641 Unpaired T test
AOFAS before surgery 44.01 ± 0.56 43.24 ± 0.57 0.4709 Unpaired T test
AOFAS 6 months 76.67 ± 0.19 76.61 ± 0.15 0.3821 Unpaired T test
AOFAS 12 months 80.17 ± 2.15 81.64 ± 0.19 0.3531 Unpaired T test
AOFAS 24 months 80.69 ± 0.19 79.67 ± 0.39 0.1432 Unpaired T test
Complication hallus varus 0 2 0.0856 Fisher’s exact test
Complication delayed healing 0 0
Complication nonunion 0 0
Complication troughing 0 3 0.0512 Fisher’s exact test
Additional Akin osteotomy (n) 9 12 0.0631 Fisher’s exact test
  1. SO Scarf osteotomy, TAHTCSO Transfer of the abductor hallucis tendon combined with Scarf osteotomy, MSHV Moderate to severe hallux valgus, IMA Intermetatarsal angle, HVA Hallux Valgus angle, DMAA Distal metatarsal articular angle, MTP ROM Metatarsophalangeal joint range of motion, AOFAS American Orthopaedic Foot and Ankle Society
  2. * means p < 0.005