Table 1 Comparison of preoperative general data between the two groups
Variables | the elderly group (n = 63) | the young and middle-aged group(n = 51) | χ²/t | P value |
|---|---|---|---|---|
Sex (M/F) | 31/32 | 22/29 | 0.417 | 0.518 |
ALT(U/L) | 119.2 ± 97.8 | 145.4 ± 101.6 | -1.401 | 0.164 |
AST(U/L) | 142.5 ± 203.8 | 141.9 ± 131.3 | 0.018 | 0.986 |
ALP(U/L) | 358.0 ± 309.5 | 312.0 ± 199.1 | 0.958 | 0.340 |
Albumin(g/L) | 35.3 ± 5.0 | 36.1 ± 5.3 | -0.835 | 0.405 |
WBC (109/l) | 7.6 ± 5.3 | 7.7 ± 4.9 | -0.044 | 0.965 |
TBIL(µmol/L) | 50. 1 ± 51.6 | 51.8 ± 28.6 | -0.223 | 0.824 |
GGT(U/L) | 494.6 ± 530.5 | 529.4 ± 442.4 | -0.375 | 0.708 |
Diameter of CBD (mm) | 14.2 ± 3.6 | 13.5 ± 3.4 | 1.154 | 0.251 |
Choledocholithiasis (single/multiple) | 23/40 | 17/34 | 0.125 | 0.844 |
Cholecystolithiasis (single/multiple) | 35/28 | 29/22 | 0.020 | 1.0 |
Diabetes | 8(12.7%) | 3(5.9%) | 1.502 | 0.340 |
Hypertension | 16(25.4%) | 7(13.7%) | 2.384 | 0.160 |
Hyperlipidemia | 1(1.6%) | 4(7.8%) | 2.630 | 0.171 |
Lung diseases | 2(3.2%) | 0(0%) | 1.648 | 0.501 |
Brain diseases | 3(4.8%) | 1(2.0%) | 0.653 | 0.627 |
History of abdominal surgery | 4(6.3%) | 3(5.9%) | 0.011 | 1.0 |
Pancreatitis | 1(1.6%) | 1(2.0%) | 0.023 | 1.0 |
Epigastric pain | 60(95.2%) | 46(90.2%) | 1.098 | 0.464 |
Nausea and vomiting | 21(33.3%) | 13(25.5%) | 0.828 | 0.414 |
Fever | 4(6.3%) | 6(11.8%) | 1.033 | 0.339 |
Jaundice | 7(11. 1%) | 11(21.6%) | 2.318 | 0.196 |