The Diagnostic Value of GGT-Based Biochemical Indicators for Choledocholithiasis with Negative Imaging Results of Magnetic Resonance Cholangiopancreatography

Table 1

Baseline characteristics of all patients.

Basic information	Total	Average value	Diagnosis of CBDS	Diagnosed without CBDS	value
Age
<75	398 (398/466)	58 ± 14.50	259 (259/398)	139 (139/398)	0.007
≥75	68 (68/466)		56 (56/68)	12 (12/68)
Gender
Male	198 (198/466)	—	149 (149/198)	49 (49/198)	0.002
Female	268 (268/466)		166 (166/268)	102 (102/268)
Surgical procedure
LC + LTCBDE	448 (448/466)		297 (297/448)	151 (151/448)	—
Non-lc + LTCBED	18 (18/466)		18 (100)	0 (zero)
Preoperative MRCP
Positive	181 (181/349)	—	169 (169/349)	12 (12/349)	<0.0001
Negative	168 (168/349)		83 (83/349)	85 (85/349)
Preoperative common bile duct imaging width
<0.8 cm	242 (242/250)	0.8 ± 0.4	0.56 ± 0.10	0.54 ± 0.09	<0.0001
≥0.8 cm	208 (208/250)		1.11 ± 0.35	0.93 ± 0.18
Preoperative biochemical indicators
ALT	466 (100)	52.7 ± 94.7	65.57 ± 110.35	25.78 ± 34.39	<0.0001
AST		34.6 ± 53.4	41.12 ± 63.28	20.86 ± 13.52	<0.0001
ALP		122.5 ± 97.5	141.44 ± 112.10	82.84 ± 28.33	<0.0001
GGT		141.5 ± 227.5	185.40 ± 262.21	50.02 ± 62.15	<0.0001
TB		21.1 ± 30.1	25.26 ± 41.54	14.35 ± 7.52	0.001
DB		7.9 ± 18.2	10.49 ± 25.17	2.97 ± 2.37	<0.0001