Gender (male/female)
|
55/31
|
21/11
|
0.866
|
Age (mean± SD, years)
|
62.5±17.9
|
66.5±16.6
|
0.276
|
Smoking (yes/no)
|
19/67
|
12/20
|
0.091
|
Alcohol drinking (yes/no)
|
13/73
|
5/27
|
0.946
|
Concomitant diseases
|
Chronic lung disease (yes/no)
|
2/84
|
5/27
|
0.016
|
Cerebrovascular diseases (yes/no)
|
4/82
|
3/29
|
0.387
|
Cardiovascular diseases (yes/no)
|
37/49
|
16/16
|
0.016
|
Renal failure (yes/no)
|
7/79
|
0/32
|
0.187
|
Cancer diseases (yes/no)
|
10/76
|
2/30
|
0.509
|
Liver disease (yes/no)
|
7/79
|
5/27
|
0.232
|
Diabetes mellitus (yes/no)
|
15/71
|
10/22
|
0.103
|
JPD (yes/no)
|
29/57
|
16/16
|
0.106
|
CBD diameter (mean±SD, cm)
|
1.2±0.4
|
1.4±0.4
|
0.017
|
CBDS pass-out (yes/no)
|
18/68
|
5/27
|
0.518
|
Brown pigment stones (yes/no)
|
38/30
|
13/14
|
0.495
|
Largest CBDS size (mean±SD, cm)
|
0.8±0.4
|
1.0±0.5
|
0.016
|
CBDS number (single/multiple)a
|
43/25
|
16/11
|
0.719
|
Mean balloon diameter for EPBD (mean±SD)b
|
1.0±0.2
|
1.2±0.3
|
0.002
|
Mechanical lithotripsy (yes/no)
|
4/82
|
8/24
|
0.003
|
Sessions for bile duct clearance (1/> 1)
|
80/6
|
30/2
|
1.000
|
Non-visualization of gallbladder in ERCP (yes/no)
|
24/62
|
19/13
|
0.002
|
Fatty meal sonographya
|
Fasting volume(ml)
|
20.4±18.8
|
23.0±21.9
|
0.557
|
Residual volume (ml)
|
5.2±5.3
|
6.0±11.8
|
0.624
|
Ejection fraction (%)
|
48.9±36.0
|
63.2±33.1
|
0.070
|
Ejection fraction at 30 min (≥50% vs < 50%)
|
39/44
|
20/7
|
0.014
|