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Cut-off values of the age-LDH-CD4 model and single index
| Cut-off | Se (%) | Sp (%) | PPV (%) | NPV (%) | + LR | − LR | |
|---|---|---|---|---|---|---|---|
| Age-LDH-CD4 model | 82 | 81 | 93 | 49 | 98 | 10.87 | 0.21 |
| CD4 (cell/μl) | 295 | 77 | 81 | 25 | 98 | 3.86 | 0.29 |
| Age (years) | 60 | 81 | 72 | 20 | 98 | 2.88 | 0.27 |
| LDH (U/L) | 300 | 81 | 83 | 29 | 98 | 4.69 | 0.23 |
Age-LDH-CD4 Model = (age × LDH)/CD4 count
LDH lactate dehydrogenase, Se sensitivity, Sp specificity, PPV positive predictive value, NPV negative predictive value, + LR positive likelihood ratio, − LR negative likelihood ratio
