Table 2 Clinical data of training and validation data set in non-elderly patients with common bile duct stones
Variables | Training set (N = 736) | Validation set (N = 183) | \({\chi }^{2}\)/t | p |
|---|---|---|---|---|
Gender (Male/ female) | 323/413 | 76/107 | 0.331 | 0.565 |
HBP (NO / YES) | 611/125 | 147/36 | 0.733 | 0.392 |
DM (NO / YES) | 682/54 | 169/14 | 0.021 | 0.885 |
History of pancreatitis (NO / YES) | 696/40 | 167/16 | 2.803 | 0.094 |
History of hepatitis (NO / YES) | 717/19 | 179/4 | 0.002 | 0.966 |
Presence of the gallbladder (NO / YES) | 427/309 | 111/72 | 0.421 | 0.517 |
With gallstone (NO / YES) | 511/225 | 139/44 | 3.016 | 0.082 |
Number of Stones (1 / 2 / multiple) | 383/58/295 | 108/11/64 | 2.997 | 0.223 |
Type of duodenal papillae (papillary / other) | 703/33 | 175/8 | 0.004 | 0.948 |
Difficult cannulation (NO / YES) | 675/61 | 168/15 | 0.002 | 0.968 |
EST (NO / YES) | 436/300 | 109/74 | 0.006 | 0.936 |
EPBD (NO / YES) | 173/563 | 39/144 | 0.398 | 0.528 |
Age (year) | 46.67 ± 10.69 | 46.34 ± 10.37 | 0.371 | 0.711 |
Hb (g/L) | 130.52 ± 16.45 | 129.87 ± 17.55 | 0.466 | 0.641 |
PLT (109/L) | 211.60 ± 75.87 | 210.30 ± 70.00 | 0.211 | 0.833 |
N (%) | 59.58 ± 11.71 | 59.85 ± 12.67 | 0.277 | 0.781 |
TB (umol / L) | 35.44 ± 45.90 | 33.85 ± 46.42 | 0.418 | 0.676 |
AST (IU / L) | 92.11 ± 131.53 | 105.30 ± 169.03 | 0.984 | 0.326 |
ALP (IU / L) | 178.70 ± 146.88 | 190.39 ± 169.83 | 0.933 | 0.351 |
ALB (g / L) | 42.22 ± 4.12 | 42.28 ± 4.15 | 0.196 | 0.844 |
Diameter of common bile duct | 10.11 ± 4.29 | 10.23 ± 4.20 | 0.346 | 0.730 |
Diameter of stone | 7.23 ± 3.19 | 7.32 ± 3.28 | 0.354 | 0.724 |
PEP (NO / YES) | 697/39 | 174/9 | 0.043 | 0.836 |