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Table 6 Contingency table between abnormal HIA and nail edge affected

From: Relationship between the presence of abnormal hallux interphalangeal angle and risk of ingrown hallux nail: a case control study

    Lateral Nail edge medial Total
HIA <13.47º Recount 4 37 41
   Expected frequency 2.6 38.4 41
  ≥13.47º Recount 6 109 115
   Expected frequency 7.4 107.6 115
Total   Recount 10 146 156
   Expected frequency 10 146 156
  1. χ2-Pearson’s Correlation Coefficient: P = .517
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