Table 2.

Medical status of the 52 patients with biliary atresia surviving with native livers after Kasai surgery n (%)

Medical variable	Data available, n	All, n = 52	< 5 yr old, n = 17	≥ 5 yr old, n = 35	P value,
					< 5 yr old vs ≥ 5 yr old
Failure to thrive, weight-for-age z-score < 2 SD	52	14 (26.9)	3 (17.6)	11 (31.4)	0.29
Short stature, height-for-age z-score < 2 SD	51	10 (19.6)	1 (5.9)	9 (26.5)	0.089
Medical complications
Portal hypertension	52	21 (40.4)	2 (11.8)	19 (54.3)	0.034
Variceal bleeding	52	13 (25.0)	1 (5.8)	12 (34.3)	0.026
Ascites	52	3 (5.8)	2 (11.8)	1 (2.9)	0.20
Cholangitis	52	19 (36.3)	8 (47.1)	11 (31.4)	0.27
Portopulmonary hypertension	52	2 (3.8)	0 (0)	2 (5.7)	0.31
Hepatopulmonary syndrome	52	0 (0)	0 (0)	0 (0)	-
Bone fracture	52	0 (0)	0 (0)	0 (0)	-
Laboratory indices
White cell count, < 4 × 109/L	49A	13 (25.0)	1 (5.9)	13 (40.6)	0.017
Platelet count, < 150 × 109/L	50A	28 (53.8)	8 (47.1)	22 (66.7)	0.28
Total bilirubin, ≥ 17 μmol/L	52	26 (50.0)	6 (35.3)	21 (60.0)	0.09
Albumin, < 35 g/L	52	6 (11.5)	1 (5.8)	5 (14.3)	0.37
International normalized ratio, ≥ 1.3	52	12 (23.1)	5 (29.4)	7 (20.0)	0.70
Alanine transferase, ≥ 40 IU/L	52	35 (67.3)	13 (76.5)	24 (68.6)	0.56
Aspartate transferase, ≥ 40 IU/L	52	38 (73.1)	15 (88.2)	25 (71.4)	0.18
Gamma glutamyl-transpeptidase, ≥ 55 IU/L	52	36 (69.2)	11 (64.7)	27 (77.1)	0.34
Absence of any medical complications	52	15 (28.8)	6 (35.3)	9 (25.7)	0.98
Absence of abnormal laboratory indices	49	3 (6.1)	1 (5.9)	2 (6.3)	0.47
Ideal medical outcome	49	1 (2.0)	0 (0)	1 (2.9)

A: Data for white cell count for 3 patients and platelet count for 2 patients were not available for review. Ideal medical outcome was defined as an absence of any medical complications and presence of normal laboratory indices.