Table 1.

Summary of chest and cardiac dimensions and indices

	Pectus patients	Healthy Subjects
	Mean ± SD	Mean ± SD	P-value
Age (year)	24.3 ± 13.3	24.1 ± 3.8	0.770
Height (meter)	1.8 ± 0.1	1.7 ± 0.07	0.253
Weight (Kg)	67.1 ± 11.7	72.2 ± 14	0.054
BSA	1.8 ± 0.2	1.9 ± 0.2	0.055
Chest Diameters and Indices
Minimum sterno-spinal distance (cm)	3.6 ± 1.7	9.1 ± 1.6	< 0.001
Maximum transverse diameter (cm)	26.4 ± 2.1	25.1 ± 2.0	0.057
Chest Index/Pectus Severity Index (PSI)	9.3 ± 5.0	2.8 ± 0.4	< 0.001
Right chest maximum AP diameter (cm)	12.2 ± 1.6	14.5 ± 1.7	< 0.001
Left chest maximum AP diameter (cm)	12.6 ± 1.6	14.2 ± 2.0	0.003
Right chest flatness	2.2 ± 0.2	1.7 ± 0.2	< 0.001
Left chest flatness	2.1 ± 0.2	1.8 ± 0.2	< 0.001
Coronal maximum transverse diameter (cm)	25.7 ± 3.2	24.3 ± 1.0	0.072
Coronal maximum diameter of the heart (cm)	14.4 ± 2.3	12.8 ± 1.4	< 0.001
Cardio-Thoracic Ratio (Cardiac Flatness)	0.6 ± 0.3	0.5 ± 0.04	0.154
Cardiac Shift
Right Border of heart to midline (cm)	2.7 ± 2.1	4.3 ± 0.7	< 0.001
Left Border of heart to midline (cm)	11.6 ± 1.6	8.1 ± 1.3	< 0.001
Cardiac Left Lateral Shift (%)	83.9 ± 13.6	65.2 ± 5.8	< 0.001