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Table 2 Comparison and analysis of different index of patients with different degrees of hallux valgus between congruency and incongruency groups

From: Radiographic evaluation of congruency of the first metatarsophalangeal joint in hallux valgus

Groups Index Congruency Incongruency T value P value
Mild HVA (°) 23.60 ± 4.00 26.78 ± 2.88 − 4.172 0.000
MTPJA (°) 7.41 ± 3.99 13.23 ± 6.58 − 3.744 0.001
DMAA (°) 11.27 ± 5.69 14.20 ± 6.22 − 1.350 0.179
CI 0.86 ± 0.06 0.78 ± 0.07 5.071 0.000
TSP 3.55 ± 1.55 5.74 ± 0.81 − 9.265 0.000
Moderate HVA (°) 32.98 ± 2.54 34.39 ± 2.86 − 2.329 0.022
MTPJA (°) 7.57 ± 4.72 17.73 ± 6.05 − 8.309 0.000
DMAA (°) 22.04 ± 7.77 16.22 ± 5.54 3.888 0.000
CI 0.85 ± 0.06 0.75 ± 0.08 6.932 0.000
TSP 4.37 ± 1.85 5.86 ± 1.09 − 4.320 0.000
Severe HVA (°) 43.98 ± 1.89 47.30 ± 5.06 − 1.803 0.081
MTPJA (°) 4.90 ± 3.32 29.12 ± 10.42 − 6.415 0.000
DMAA (°) 32.45 ± 5.04 18.79 ± 10.00 5.154 0.000
CI 0.80 ± 0.05 0.61 ± 0.15 5.925 0.000
TSP 5.50 ± 1.41 6.27 ± 0.92 − 1.447 0.182
  1. HVA hallux valgus angle, DMAA distal metatarsal articular angle, MTPJA the first metatarsophalangeal joint angle, CI congruency index, TSP tibial sesamoid position