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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