Table 1.
Metrics before and after inhalation of true and placebo hydrogen gas for 4 weeks
| Hydrogen | Placebo | |||||
|---|---|---|---|---|---|---|
| Before | After | P | Before | After | P | |
| OSIT-J | 4.7±2.0 | 4.85±1.9 | 0.77 | 4.55±2.4 | 4.6±2.2 | 0.92 |
| UPDRS1 | 2.2±1.6 | 2.3±1.9 | 0.84 | 2.7±2.4 | 2.4±1.9 | 0.41 |
| UPDRS2 | 13.7±9.0 | 15.9±7.0 | 0.15 | 16.6±9.1 | 16.8±6.3 | 0.93 |
| 8-OHdG/Cr (ng/mg Cr) | 9.5±9.7 | 11.0±5.9 | 0.02 | 9.2±6.9 | 9.7±6.8 | 0.59 |
Note: Date are expressed as the mean ± SD. P values are calculated by paired t-test. 8-OHdG: 8-Hydroxy-2′-deoxyguanine; Cr: creatine; UPDRS: Unified Parkinson’s Disease Rating Scale.