Table 3.
Oxidative biomarkers and ratios in relation to cluster analysis.
| Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | p 1 | |
|---|---|---|---|---|---|
| MPO (ng/L)† | 104.52 (79.51-155.09) | 112.45 (70.17-153.99) | 92.01 (72.48-158.21) | 105.7 (70.34-189.67) | 0.787 |
| XO (U/L)† | 28.29 ± 9.69 | 28.35 ± 9.86 | 27.42 ± 8.77 | 30.21 ± 10.83 | 0.8472 |
| AOPP (μM chloramine-T equivalents)† | 121.08 (100.53-318.16) | 136.98 (89.03-383.53) | 120.59 (93.44-186.69) | 114.96 (101.14-133.67) | 0.646 |
| MDA (μM/L)† | 3.28 (2.47-3.79) | 2.62 (2.41-3.05)c | 3.15 (2.36-4.62) | 3.63 (3.12-5.18) | 0.008 |
| CAT (cat/L)† | 0.88 ± 0.07 | 0.87 ± 0.05 | 0.84 ± 0.08 | 0.86 ± 0.07 | 0.2252 |
| NOx (μmol/L)† | 50.13 (36.36-65.91) | 58.69 (48.47-68.69) | 56.36 (45.58-58.97) | 50.36 (47.08-61.52) | 0.410 |
| TOC (μmol/L)† | 7.77 (2.39-102.65) | 6.36 (3.71-39.4) | 7.69 (2.56-91.17) | 14.31 (5.34-88.3) | 0.534 |
| TRC (GAE)† | 0.11 (0.09-0.18) | 0.14 (0.1-0.19) | 0.17 (0.13-0.31) | 0.14 (0.11-0.21) | 0.074 |
| TOC/TRC† | 79.74 (14.61-596.81) | 42.71 (16.27-305.42) | 68.93 (10.32-795.19) | 81.76 (21.35-609.38) | 0.584 |
| MDA/TRC† | 30.19 ± 15.96 | 21.65 ± 11.09 | 26.64 ± 12.53 | 28.71 ± 17.19 | 0.1522 |
| MDA/TOC† | 0.34 (0.03-1.97) | 0.41 (0.09-0.7) | 0.52 (0.03-1.85) | 0.31 (0.04-0.86) | 0.899 |
| AOPP/TRC† | 1244.32 (919.53-1911.55)b,c | 2.44 (1.43-2105.85)b | 690.45 (387.05-1414.54) | 912.11 (660.8-1239.08) | 0.026 |
| AOPP/TOC† | 14.05 (1.59-80.08) | 1241.82 (674.29-85.63) | 16.21 (1.16-56.69) | 8.01 (1.43-33.57) | 0.305 |
| NOx/CAT† | 59.75 (42.65-74.17) | 29.07 (3.66-74.72) | 66.87 (56.66-73.14) | 59.5 (53.17-70.06) | 0.358 |
| Albumin/TOC† | 6.22 (0.44-20.78) | 70.62 (56.22-12.67) | 4.01 (0.33-16.51) | 2.82 (0.51-8.57) | 0.415 |
| Albumin/TRC† | 435.95 ± 250.94b | 369.86 ± 179.31b | 243.66 ± 177.67 | 313.12 ± 171.81 | 0.0242 |
| TG/TBARS† | 14.25 (11.44-22.71)a,b | 11.19 (8.4-16.18)c | 10.26 (7.47-13.2)c | 15.49 (10.94-21.86) | 0.002 |
| TRC/albumin† | 0.23b (0.17-0.34) | 0.27 (0.2-0.37) | 0.35 (0.26-0.64) | 0.28 (0.22-0.45) | 0.05 |
| AOPP/albumin† | 2.56 (2.16-5.85) | 2.81 (1.91-7.47) | 2.43 (1.94-2.89) | 2.31 (2.02-2.66) | 0.319 |
1Kruskal-Wallis test; avs. cluster 2; bvs. cluster 3; cvs. cluster 4; †median (25th–75th percentile).