The timing of minimally invasive surgery for prenatally diagnosed choledochal cysts

BMC Pediatrics

Table 1 Baseline data of patients who were prenatally diagnosed with CC at various ages

Age at surgery	≤ 1 month(n = 15)	1–2 months (n = 27)	2–3 months (n = 14)	> 3 months (n = 17)	P
Gestational age < 37 weeks(Yes/No, n)	1/14	2/25	0/14	0/17	0.599
Sex(Male/Female, n)	7/8	7/20	2/12	1/16	0.045
Birth weight (kg, M[P25,P75])	3.20[3.00, 3.50]	3.25[3.05, 3.40]	3.33[3.10, 3.40]	3.50[3.28, 3.73]	0.057
^aClinical symptoms(Yes/No, n)	8/7	7/20	3/11	3/14	0.146
^bCC size (mm, M[P25,P75])	35.67[28.33, 46.67]	37.66[28.67,49.67]	29.0[19.0,35.25]	31.33[23.74, 66.25]	0.169

a: Clinical symptoms were identified in 21 patients, including 19 with cholestasis, 1 with clay-colored stool and 1 with a rapid increase in CC size. In 19 patients with cholestasis, 2 had clay-colored stool, 2 had vomiting, and 1 had a rapid increase in CC size. b: CC size in patients with clinical symptoms was significantly greater than that in patients without clinical symptoms (44.33 [35.50, 63.75] vs. 30.34 [22.47, 42.88] mm, p = 0.001); however, no difference in CC size was detected among CC patients of various ages. M means median

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