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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