Efficacy and safety of emergency endoscopic retrograde cholangiopancreatography for acute cholangitis in the elderly

Table 1 Clinical characteristics and laboratory data of enrolled patients

	Age≥80 yr	Age < 80 yr	P value
	(n = 102)	(n = 105)
Age (yr)	85 (81-92)	67 (58-75)	< 0.05
Sex
Male	41 (40.2)	62 (59.0)	< 0.05
Female	61 (59.8)	43 (41.0)
Fever (centigrade)	39.0 (38.5-39.3)	38.9 (38.7-39.4)	NS
WBC (103/L)	12.8 (10.4-15.2)	12.5 (10.7-14.6)	NS
Platelet (103/L)	132 (105-180)	171 (130-231)	< 0.05
Albumin (g/dL)	2.9 (2.6-3.3)	3.6 (3.4-4.0)	< 0.05
Bilirubin (mg/dL)	4.3 (3.1-6.0)	4.2 (2.8-6.7)	NS
AST (U/L)	229 (150-418)	182 (141-256)	< 0.05
ALT (U/L)	195 (128-277)	197 (144-303)	NS
ALP (U/L)	798 (576-1154)	811 (510-1175)	NS
γ-GTP (U/L)	336 (256-451)	350 (249-548)	NS
ASA
Class 2	34 (33.3)	59 (56.2)	< 0.05
Class 3	67 (65.7)	45 (42.9)
Class 4	1 (1.0)	1 (1.0)

Continuous variables are expressed as median (interquartile range; IQR), categorical variables are expressed as n (%). WBC: White blood cells; AST: Aspartate transaminase; ALT: Alanine transaminase; ALP: Alkaline phosphatase; γ-GTP: γ-glutamyl transpeptidase; ASA: American Society of Anesthesiology; NS: Not significant.