Table 7.
Cutoff values of laboratory parameters for determining the risk of complications with surgical risk in the pre-COVID (1) and peri-COVID (2) groups.
| Variable | AUC (95%) | Lowest Value | Highest Value | Cutoff | p | Sensitivity | Specificity | |
|---|---|---|---|---|---|---|---|---|
| NLR | 1 2 |
0.651 0.616 |
0.545 0.535 |
0.756 0.697 |
5.58 6.41 |
0.010 * 0.023 * |
78.6% 80% |
42.2% 44.9% |
| PLR | 1 2 |
0.657 0.678 |
0.545 0.487 |
0.768 0.668 |
97.3 140.27 |
0.007 * 0.130 |
89.3% 72.5% |
34.5% 50.6% |
| MLR | 1 2 |
0.719 0.639 |
0.602 0.550 |
0.837 0.729 |
0.66 0.53 |
<0.001 * 0.007 * |
78.6% 75% |
69.9% 49.4% |
| dNLR | 1 2 |
0.600 0.534 |
0.494 0.448 |
0.706 0.619 |
2.82 3.12 |
0.085 0.518 |
78.6% 80% |
29.1% 32.1% |
| AISI | 1 2 |
0.635 0.532 |
0.497 0.439 |
0.774 0.625 |
228.79 358.98 |
0.020 * 0.533 |
78.6% 92.5% |
9.2% 21.2% |
| SIRI | 1 2 |
0.672 0.619 |
0.548 0.534 |
0.797 0.703 |
3.56 2.49 |
0.003 * 0.021 * |
78.6% 92.5% |
44.2% 25% |
| SII | 1 2 |
0.620 0.537 |
0.490 0.445 |
0.749 0.630 |
507.7 756.8 |
0.040 * 0.468 |
89.3% 92.5% |
17% 26.9% |
| MCVL | 1 2 |
0.697 0.681 |
0.609 0.591 |
0.785 0.771 |
64.89 78 |
0.001 * <0.001 * |
78.6% 80% |
56.8% 60.3% |
| IIC | 1 2 |
0.663 0.686 |
0.554 0.605 |
0.772 0.767 |
8.41 10.51 |
0.005* <0.001 * |
78.6% 72.5% |
55.8% 52.6% |
* p < 0.05—statistically significant; NLR—neutrophil–lymphocyte ratio, PLR—platelet–lymphocyte ratio, MLR—monocyte–lymphocyte ratio, dNLR—derived neutrophil–lymphocyte ratio, AISI—aggregate index of systemic inflammation, SIRI—systemic inflammatory response index, SII—systemic immune-inflammation index, MCVL—average corpuscular volume–lymphocyte ratio, IIC—cumulative inflammatory index.