Table 2.
Frequency of CBD stone in different subgroups
| All patients | Normal liver enzymes +Normal CBD |
Normal liver enzymes +Dilated CBD |
Isolated rise of liver enzymes +Normal CBD |
Isolated rise of liver enzymes +Dilated CBD |
Hyperbilirubinemia +Normal CBD |
Hyperbilirubinemia +Dilated CBD |
|
|---|---|---|---|---|---|---|---|
| All patients | 202/1022 19.7 (17.4-22.4)* |
10/138 7.2 (3.7%-13.3%) |
4/106 3.8 (1.2-9.9) |
12/190 6.3 (3.4 -11.0) |
20/90 22 (14.4-32.4) |
84/346 24.2 (19.9-29.2) |
72/152 47.4(39.3-55.6) |
| Age <55 | 54/408 13.2 (10.2-17.0) |
0/64 0 |
2/50 4 (0.7 -14.9) |
6/86 6.9 (2.8-15.1) |
8/40 20 (9.6-36.1) |
18/120 15 (9.4-22.9) |
20/48 41.7(27.9-56.7) |
| Age ≥55 | 148/614 24.1 (20.8-27.7) |
10/74 13.5 (7.0-23.9) |
2/56 3.6 (0.6 -13.4) |
6/104 5.8 (2.4-12.6) |
12/50 24 (13.5-38.4) |
66/226 29.2 (23.5-35.7) |
52/104 50(40.1-59.9) |
| No Cholecystitis | 127/723 17.6 (14.9 -20.6) |
8/122 6.6 (3.1-12.9) |
0/78 0 |
6/130 4.6 (1.9-10.2) |
16/58 27.6 (17.1-41.1) |
60/236 25.4(20.1-31.6) |
37/99 37.4(28.0-47.7) |
| Cholecystitis | 75/299 25.1 (20.4-30.5) |
2/16 12.5 (2.2-39.6) |
4/28 14.3 (4.7-33.6) |
6/60 10 (4.1-21.2) |
4/32 12.5 (4.1-29.9) |
24/110 21.9(14.7-30.9) |
35/53 66.0 (51.6-78.1) |
LFT: liver function tests; CBD: common bile duct; US: ultrasound; MRCP: magnetic resonance cholangiopancreatography; Values in parentheses: 95% confidence intervals
*
Percent (95% confidence interval)