Proportions of false-positive examination findings and resulting specificities with 95% CIs when applying the 4 proposed abnormal cutoffs to the 124 healthy subjects without trauma in Part 1 of the study

Age Group	Proportion of False-Positive Examination Findings				Specificities (95% CIs)
	Pang et al2 (4 mm)	Gire et al3 (2.5 mm)	2 SDs	3 SDs	Pang et al2 (4 mm)	Gire et al3 (2.5 mm)	2 SDs	3 SDs
Younger than 12 mo	0/21	1/21	1/21	1/21	1.0 (0.85–1.0)	0.95 (0.77–0.99)	0.95 (0.77–0.99)	0.95 (0.77–0.99)
12–24 mo	0/19	12/19	1/19	0/19	1.0 (0.83–1.0)	0.37 (0.19–0.59)	0.94 (0.73–0.99)	1.0 (0.83–1.0)
2–4 yr	0/17	14/17	1/17	0/17	1.0 (0.82–1.0)	0.18 (0.06–0.41)	0.94 (0.73–0.99)	1.0 (0.82–1.0)
5–8 yr	0/19	13/19	0/19	0/19	1.0 (0.83–1.0)	0.32 (0.15–0.54)	1.0 (0.83–1.0)	1.0 (0.83–1.0)
9–12 yr	0/16	3/16	0/16	0/16	1.0 (0.81–1.0)	0.81 (0.57–0.93)	1.0 (0.72–0.99)	1.0 (0.81–1.0)
13–17 yr	0/19	0/19	2/19	0/19	1.0 (0.83–1.0)	1.0 (0.83–1.0)	0.89 (0.69–0.97)	1.0 (0.83–1.0)
Older than 17 yr	0/13	0/13	1/13	0/13	1.0 (0.67–1.0)	1.0 (0.67–1.0)	0.92 (0.67–0.99)	1.0 (0.67–1.0)