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Table 2 Results pertaining to cross tabulations of quality criteria with evaluability of right and left hip images and group assignment (Exact Fisher’s Test, p-values)

From: Ultrasound of the infant hip: manual fixation is equivalent to Graf’s technique regarding image quality—a randomized trial

Quality criteria Cross tabulation quality criteria (evaluable/not evaluable) / Group (1/2)
(p-values, Fisher’s exact test)
Left hip Right hip
Landmark 1 0.12 0.47
Landmark 3 1.0 0.50
Bony roof line 0.12 0.47
Overall evaluability 0.47 1.0