Retrospective Study
Copyright ©The Author(s) 2023.
World J Gastroenterol. Sep 21, 2023; 29(35): 5138-5153
Published online Sep 21, 2023. doi: 10.3748/wjg.v29.i35.5138
Table 3 Variable distribution in the validation cohort (UMG + Technical University Munich)
Variable
Microlithiasis (n = 36)
Other (n = 81)
Total (n = 117)
P value
Age (yr)0.162
    mean ± SD60.1 ± 18.455.3 ± 16.856.8 ± 17.4
    Range23-9321-8721-93
Sex0.315
    Female12/36 (33.3%)35/81 (43.2%)47/117 (40.2%)
    Male24/36 (66.7%)46/81 (56.8%)70/117 (59.8%)
Alkaline phosphatase0.032
    N-Miss1/36 (2.7%)12/81 (14.8%)13/117 (11.1%)
    ULN23/36 (63.8%)30/81 (37%)53/117 (45.2%)
    WL12/36 (33.2%)39/81 (48.1%)51/117 (43.5%)
Total bilirubin0.003
    ULN21/36 (58.3%)24/81 (29.6%)45/117 (38.5%)
    WL15/36 (41.7%)57/81 (70.4%)72/117 (61.5%)
Creatine kinase0.498
    N-Miss8/36 (22.2%)32/81 (39.5%)40/117 (34.1%)
    ULN5/36 (13.8%)6/81 (7.4%)11/117 (9.4%)
    WL23/36 (63.8%)43/81 (53%)66/117 (56.4%)
CRP0.199
    ULN32/36 (88.9%)64/81 (79%)96/117 (88.8%)
    WL4/36 (11.1%)17/81 (21%)21/117 (17.9%)
Total protein0.405
    N-Miss31/36 (86.1%)73/81 (90.1%)104/117 (88.8%)
    WL5/36 (13.8%)8/81 (9.8%)13/117 (11.1%)
Erythrocytes0.650
    N-Miss0/36 (0%)1/81 (1.2%)1/117 (0.8%)
    LLN10/36 (27.7%)25/81 (30.8%)35/117 (29.9%)
    ULN4/36 (11.1%)5/81 (6.1%)9/117 (7.6%)
    WL22/36 (61.1%)50/81 (61.7%)72/117 (61.5%)
Gamma-GT0.082
    N-Miss0/36 (0%)2/81 (2.4%)2/117 (1.7%)
    ULN32/36 (88.8%)59/81 (72.8%)91/117 (77.7%)
    WL4/36 (11.1%)20/81 (24.6%)24/117 (20.5%)
AST/GOT0.079
    N-Miss0/36 (0%)4/81 (4.9%)4/117 (3.4%)
    ULN28/36 (77.8%)47/81 (58%)75/117 (64.1%)
    WL8/36 (22.2%)30/81 (37%)38/117 (32.4%)
ALT/GPT0.052
    N-Miss0/36 (0%)2/81 (2.4%)2/117 (1.7%)
    ULN28/36 (77.8%)43/81 (53%)71/117 (60.6%)
    WL8/36 (22.2%)30/81 (37%)38/117 (32.4%)
Urea
    N-Miss7/36 (19.4%)20/81 (24.6%)27/117 (23%)
    LLN13/36 (36.1%)41/81 (50.6%)54/117 (46.1%)
    ULN0/36 (0%)1/81 (1.2%)1/117 (0.8%)
    WL16/36 (44.4%)19/81 (23.4%)35/117 (29.9%)
Hematocrit< 0.001
N-Miss0/36 (0%)1/81 (1.2%)1/117 (0.8%)
ULN36/36 (100%)80/81 (98.7%)116/117 (99.1%)
Haemoglobin0.725
    N-Miss0/36 (0%)1/81 (1.2%)1/117 (0.8%)
    LLN9/36 (25%)18/81 (22.2%)27/117 (23%)
    ULN3/36 (8.3%)4/81 (4.9%)7/117 (5.9%)
    WL32/36 (88.9%)64/81 (79.0%)96/117 (82%)
INR0.440
    ULN2/36 (5.5%)8/81 (9.8%)10/117 (8.5%)
    WL34/36 (94.4%)73/81 (90.1%)107/117 (91.4%)
Potassium0.985
    LLN2/36 (5.5%)4/81 (4.9%)6/117 (5.1%)
    ULN1/36 (2.7%)2/81 (2.4%)3/117 (2.5%)
    WL33/36 (91.6%)75/81 (92.5%)108/117 (92.3%)
Serum creatinine0.909
    LLN2/36 (5.5%)6/81 (7.4%)8/117 (6.8%)
    ULN7/36 (19.4%)14/81 (17.2%)21/117 (17.9%)
    WL27/36 (75%)61/81 (75.3%)88/117 (75.2%)
LDH 0.018
    N-Miss6/36 (16.6%)28/81 (34.5%)34/117 (29%)
    ULN26/36 (72.2%)33/81 (40.7%)59/117 (50.4%)
    WL4/36 (11.1%)20/81 (24.6%)24/117 (20.5%)
Leukocytes0.143
    N-Miss0/36 (0%)1/81 (1.2%)1/117 (0.8%)
    LLN1/36 (2.7%)0/81 (0%)1/117 (0.8%)
    ULN16/36 (44.4%)47/81 (58%)63/117 (53.8%)
    WL19/36 (52.7%)33/81 (40.7%)52/117 (44.4%)
Lipase0.237
    N-Miss0/36 (0%)2/81 (2.4%)2/117 (1.7%)
    ULN32/36 (88.9%)75/81 (92.5%)107/117 (91.4%)
    WL4/36 (11.1%)4/81 (4.9%)8/117 (6.8%)
MCV0.315
    N-Miss0/36 (0%)1/81 (1.2%)1/117 (0.8%)
    LLN3/36 (8.3%)7/81 (8.6%)10/117 (8.5%)
    ULN1/36 (2.7%)9/81 (11.1%)10/117 (8.5%)
    WL32/36 (88.9%)64/81 (79%)96/117 (82%)
Triglycerides0.582
    N-Miss26/36 (72.2%)43/81 (53%)69/117 (58.9%)
    ULN3/36 (8.3%)15/81 (18.5%)18/117 (15.3%)
    WL7/36 (19.4%)23/81 (28.3%)30/117 (25.6%)
RDW
    N-Miss36/36 (100%)81/81 (100%)117/117 (100%)
    False0/36 (0%)0/81 (0%)0/117 (0%)
    True0/36 (0%)0/81 (0%)0/117 (0%)
Sodium0.154
    LLN2/36 (5.5%)12/81 (14.8%)14/117 (11.9%)
    WL34/36 (94.4%)69/81 (85.1%)103/117 (88%)
Quick’s value0.130
    LLN2/36 (5.5%)6/81 (7.4%)8/117 (6.8%)
    ULN13/36 (36.1%)44/81 (54.3%)57/117 (48.7%)
    WL21/36 (58.3%)31/81 (38.2%)52/117 (44.4%)
Thrombocytes0.627
    N-Miss22/36 (61.1%)51/81 (62.9%)73/117 (62.3%)
    LLN2/36 (5.5%)3/81 (3.7%)5/117 (4.2%)
    ULN2/36 (5.5%)2/81 (2.4%)4/117 (3.4%)
    WL10/36 (27.7%)25/81 (30.8%)35/117 (29.9%)
TSH0.773
    N-Miss6/36 (16.6%)13/81 (16%)19/117 (16.2%)
    LLN0/36 (0%)1/81 (1.2%)1/117 (0.8%)
    ULN1/36 (2.7%)3/81 (3.7%)4/117 (3.4%)
    WL29/36 (80.5%)64/81 (79%)93/117 (79.4%)