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Table 2 Gamma correlation for inter-observer variation

From: Subjective and objective outcome in congenital clubfoot; a comparative study of 204 children

  Gamma correlation Standard error P value
Calf circumference 0.93 0.031 P < 0.001
Foot width 0.77 0.056 P < 0.001
Foot length 0.95 0.024 P < 0.001