Table 3.

Sequential models using LASSO

AUC
ModelTrainingTestVariable 1Variable 2Variable 3Variable 4
10.73 (95% CI 0.67–0.78)0.70 (95% CI 0.60–0.79)Last creatinine
20.76 (95% CI 0.70–0.81)0.73 (95% CI 0.64–0.82)Last creatinineBUN:creatinine ratio
30.78 (95% CI 0.73–0.83)0.74 (95% CI 0.65–0.83)Last creatinineBUN:creatinine ratioUrine protein
40.78 (95% CI 0.73–0.83)0.73 (95% CI 0.64–0.81)Last creatinineBUN:creatinine ratioUrine proteinUrine specific gravity
AUC
ModelTrainingTestVariable 1Variable 2Variable 3Variable 4
10.73 (95% CI 0.67–0.78)0.70 (95% CI 0.60–0.79)Last creatinine
20.76 (95% CI 0.70–0.81)0.73 (95% CI 0.64–0.82)Last creatinineBUN:creatinine ratio
30.78 (95% CI 0.73–0.83)0.74 (95% CI 0.65–0.83)Last creatinineBUN:creatinine ratioUrine protein
40.78 (95% CI 0.73–0.83)0.73 (95% CI 0.64–0.81)Last creatinineBUN:creatinine ratioUrine proteinUrine specific gravity
Table 3.

Sequential models using LASSO

AUC
ModelTrainingTestVariable 1Variable 2Variable 3Variable 4
10.73 (95% CI 0.67–0.78)0.70 (95% CI 0.60–0.79)Last creatinine
20.76 (95% CI 0.70–0.81)0.73 (95% CI 0.64–0.82)Last creatinineBUN:creatinine ratio
30.78 (95% CI 0.73–0.83)0.74 (95% CI 0.65–0.83)Last creatinineBUN:creatinine ratioUrine protein
40.78 (95% CI 0.73–0.83)0.73 (95% CI 0.64–0.81)Last creatinineBUN:creatinine ratioUrine proteinUrine specific gravity
AUC
ModelTrainingTestVariable 1Variable 2Variable 3Variable 4
10.73 (95% CI 0.67–0.78)0.70 (95% CI 0.60–0.79)Last creatinine
20.76 (95% CI 0.70–0.81)0.73 (95% CI 0.64–0.82)Last creatinineBUN:creatinine ratio
30.78 (95% CI 0.73–0.83)0.74 (95% CI 0.65–0.83)Last creatinineBUN:creatinine ratioUrine protein
40.78 (95% CI 0.73–0.83)0.73 (95% CI 0.64–0.81)Last creatinineBUN:creatinine ratioUrine proteinUrine specific gravity
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