Bone Health in a Nonjaundiced Population of Children with Biliary Atresia

Table 1

Subject characteristics between the ages of 3 and 18.

	Biliary atresia		Controls	𝑃
𝑛	16	11	178
Age (year) Range	7.3±1.4	8.0±3.6	9.6±3.7	.17
			4.0 to 18.6
Gender	9 M/7 F	6 M/5 F	76 M/109 F	.38
Race (% African American)	8	10	39	.04
Tanner distribution (𝐧 at stages 1, 2, 3, 4, 5)	(15, 0, 1, 1, 0)	(9, 0, 1, 1, 0)	(114, 27, 15, 21, 8)	.59
Height 𝐳-score	−0.31±0.21	−0.11±0.62	0.37±1.10	.14
BMI 𝐳-score	0.24±0.28	0.18±0.63	0.34±1.10	.64
Weight 𝐳-score	0.05±0.27	−0.21±0.62
Serum alanine transferase (U/L)^1	78.4±12.0	56.8±34.6
Serum albumin (g/dL)	3.7±0.2	3.8±0.64
Serum total bilirubin (mg/dL)^2	2.4±0.9	0.9±0.5
Serum direct bilirubin (mg/dL)^3	0.24±1.0	0.18±0.13
Serum alkaline phosphatase	267±136	234±108
Serum 25–OH vitamin D (ng/mL)^4	24.3±5.1	26±5.9
Bone age delay (Years)^5	0.19±0.38	0.24±1.34

Mean ± SD ¹Data available for 9 subjects ²Data available for 10 subjects ³Data available for 10 subjects ⁴Data available for 6 subjects ⁵Data available for 9 subjects