Reduction of serum bilirubin levels after endoscopic biliary drainage in patients with extrahepatic biliary obstruction and its significance

Table 2 Association between type of etiology and baseline bilirubin levels with the time to achieve total bilirubin < 3 mg/dL (n = 101), n (%)

Groups	Within 1 day	Within 2 days	Within 7 days	Within 15 days	Within 30 days	Total
Total	1 (0.9)	6 (5.9)	36 (35.6)	70 (69.3)	86 (85.1)	101
Etiology of EHBO
Benign	1 (2.5)	6 (15.0)1	23 (57.5)1	33 (82.5)1	38 (95.0)1	40
Malignant	0 (0.0)	0 (0.0)	13 (21.3)	37 (60.6)	48 (78.7)	61
Bilirubin level
≤ 10 mg/dL	2 (5.6)	9 (25.0)1	26 (72.2)1	33 (91.7)1	35 (97.2)1	36
> 10 mg/dL	0 (0.0)	0 (0.0)	10 (15.4)	37 (56.9)	52 (80.0)	65

¹Statistically significant difference.

EHBO: Extrahepatic biliary obstruction.