TABLE 1.

Characteristics of the study population

Indicator	Total patients (N = 100)	Thoracic perimeter ≤45 cm (n = 26)	Thoracic perimeter >45 cm (n = 74)	P
Sex, male:female	38:62	11:15	27:47	NS
Age (range), y	3.9 ± 3.3	0.4 ± 0.3 (0.2–1.4)	5.7 ± 2.8 (1.0–13.6)	<0.001
Thoracic perimeter, cm	54.0 ± 10.0	40.0 ± 3.1	58.9 ± 6.1	<0.001
Height, cm	97.4 ± 28.3	60.4 ± 10.6	110.4 ± 19.6	<0.001
Weight, kg	17.4 ± 10.3	7.7 ± 11.4	20.8 ± 7.4	<0.001
BMI	16.27 ± 2.23	15.10 ± 2.30	16.70 ± 2.10	0.003
Direct bilirubin, mg/dL	0.9 ± 1.0	1.8 ± 1.3	0.5 ± 0.6	<0.001
Albumin, g/dL	3.9 ± 0.6	3.4 ± 0.5	4.0 ± 0.6	<0.001
APRI	2.04 ± 1.71	2.19 ± 2.12	1.99 ± 1.56	0.624
LSM by S1 probe, kPa	20.6 ± 17.9	19.5 ± 20.0	21.1 ± 17.2	0.712
LSM by S2 probe, kPa	15.4 ± 12.8	17.3 ± 18.1	14.4 ± 10.1	0.440
LSM by M probe, kPa	12.3 ± 9.8	12.0 ± 11.2	12.5 ± 9.8	0.874

APRI = aspartate aminotransferase-to-platelet ratio index; BMI = body mass index; LSM = liver stiffness measurement; NS = not significant.