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
Overall evaluability