Table 2.
Plasma oxidative stress markers and antioxidant capacity immediately before (pre) and after (post) the 5th, 10th, and 15th training session during 3 weeks of hyperbaric hyperoxia (HH) and normobaric normoxia (NN) endurance training.
| Baseline | 5th session | 10th session | 15th session | Pre-post ES (90% CI) | Rating | ||
|---|---|---|---|---|---|---|---|
| NN | |||||||
| Plasma uric acid (mg/dL) | Pre | 4.5 ± 0.2 | 6.8 ± 3.4 | 5.7 ± 3.2 | 5.9 ± 3.4 | 0.5 (−0.4/1.5) | Unclear |
| Post | 5.0 ± 0.7 | 6.4 ± 3.7 | 5.1 ± 2.3 | 5.8 ± 1.8 | 0.5 (−0.5/1.5) | Unclear | |
| Plasma lipid hydroperoxides (μmol/L) | Pre | 6.2 ± 2.3 | 7.3 ± 3.5 | 8.7 ± 5.1 | 6.5 ± 4.7 | 0.1 (−0.9/1.0) | Unclear |
| Post | 9.1 ± 4.7 | 8.2 ± 4.5 | 10.3 ± 3.9 | 8.5 ± 4.7 | −0.1 (−1.1/0.8) | Unclear | |
| TROLOX (μmol/L) | Pre | 207 ± 76.9 | 222 ± 112 | 188 ± 105 | 192 ± 113 | −0.1 (−1.1/0.8) | Unclear |
| Post | 183 ± 83.1 | 210 ± 123 | 165 ± 75.8 | 190 ± 61.3 | 0.1 (−0.9/1.0) | Unclear | |
|
| |||||||
| HH | |||||||
| Plasma uric acid (mg/dL) | Pre | 6.0 ± 1.6 | 6.3 ± 1.6 | 6.3 ± 1.7 | 6.1 ± 0.2 | 0.1 (−0.8/1.1) | Unclear |
| Post | 5.7 ± 2.0 | 7.3 ± 1.9 | 6.7 ± 1.5 | 6.0 ± 1.1 | 0.2 (−0.8/1.1) | Unclear | |
| Plasma lipid hydroperoxides (μmol/L) | Pre | 5.6 ± 3.9 | 5.6 ± 3.9 | 6.4 ± 3.7 | 5.9 ± 3.4 | 0.1 (−0.9/1.0) | Unclear |
| Post | 5.4 ± 3.3 | 5.4 ± 3.3 | 6.5 ± 3.1 | 8.4 ± 3.2 | 0.9 (−0.1/1.9) | Unclear | |
| TROLOX (μmol/L) | Pre | 207 ± 34.7 | 205 ± 54.1 | 207 ± 57.9 | 200 ± 9.5 | −0.3 (−1.2/0.7) | Unclear |
| Post | 219 ± 18.4 | 238 ± 61.7 | 219 ± 48.7 | 195 ± 36.9 | −0.8 (−1.7/0.2) | Unclear | |
Data is shown as mean ± SD. TROLOX: plasma antioxidant capacity.