Table 1. Basic information and the related inflammatory indexes of the included studies.
Author, year | Research object | Total cases | IL-1β | TNF-α | IL-6 | GPx | 8-OHdG | ROM | CFU | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
HRW | PW | HRW | PW | HRW | PW | HRW | PW | HRW | PW | HRW | PW | HRW | PW | HRW | PW | |||||||||
Ara (11), 2018 | Chronic forced swimming | 7 | 7 | 5.82±0.67 | 3.96±0.67 | 5.98±0.57 | 9.81±1.79 | 9.63±2.23 | 12.02±2.05 | 0.35±0.03 | 0.29±0.02 | |||||||||||||
4.93±0.3 | 5.07±0.75 | 8.65±0.45 | 9.06±0.67 | 14.45±1.34 | 6.79±0.59 | 0.36±0.02 | 0.27±0.04 | |||||||||||||||||
Asada (12), 2020 | Diabetes | 9 | 9 | 6.35±0.98 | 7.78±1.13 | |||||||||||||||||||
3.73±0.54 | 7.78±1.13 | |||||||||||||||||||||||
Azuma (13), 2015 | Periodontitis | 7 | 6 | 28.22±29.39 | 55.12±53.39 | |||||||||||||||||||
−24.07±73.48 | 51.33±90.58 | |||||||||||||||||||||||
Dobashi (14), 2020 | Severe exercise | 4 | 4 | 303.4±13.8 | 268.1±9.8 | |||||||||||||||||||
303.5±14.3 | 273.1±9.5 | |||||||||||||||||||||||
Kasuyama (17), 2011 | Periodontitis | 7 | 7 | 8.12±0.87 | 5.88±1.25 | 0.097±0.036 | 0.32±0.072 | 324.68±16.34 | 382.48±20.79 | |||||||||||||||
378.65±32.67 | 479.53±41.58 | |||||||||||||||||||||||
Kim (18), 2017 | Oral bacteria | 18 | 18 | 12.18±11.23 | 189.84±121.96 | |||||||||||||||||||
Lee (19), 2006 | Oral bacteria | 16 | 16 | 231.09±10.51 | 2037.82±52.52 | |||||||||||||||||||
136.56±21.01 | 1313.03±42.01 | |||||||||||||||||||||||
199.58±10.5 | 1722.69±42.02 | |||||||||||||||||||||||
199.58±21.01 | 1817.23±84.03 | |||||||||||||||||||||||
Lee (20), 2013 | Oral bacteria | 3 | 3 | 228.01±91.21 | 11902.3±638.4 | |||||||||||||||||||
137.85±47.13 | 4265.99±447.81 | |||||||||||||||||||||||
108.48±54.23 | 5532.2±515.25 | |||||||||||||||||||||||
Nayak (21), 2021 | Chronic periodontitis | 20 | 20 | 59.55±47.35 | 81.72±55.63 | |||||||||||||||||||
45.72±30.51 | 81.72±55.63 | |||||||||||||||||||||||
53.55±38.71 | 81.72±55.63 | |||||||||||||||||||||||
75.2±44.92 | 115.2±74.11 | |||||||||||||||||||||||
70.3±37.53 | 115.2±74.11 | |||||||||||||||||||||||
61±38.29 | 115.2±74.11 | |||||||||||||||||||||||
Saitoh (22), 2022 | Gingival cells | 6 | 6 | 19.19±0.58 | 19.77±0.07 | 8.64±0.38 | 10.27±0.67 | 7.26±1.81 | 13.12±2.09 | |||||||||||||||
Si (23), 2021 | Kidney injury | 8 | 8 | 140.39±5.77 | 151.92±1.92 | 711.54±28.85 | 788.46±19.23 | 515.39±46.15 | 407.69±30.77 | 1.08±0.058 | 2.53±0.059 | |||||||||||||
Sim (24), 2020 | Healthy adults | 20 | 18 | 0.73±0.6 | 1.04±0.59 | 384.4±96.4 | 349±56.1 | |||||||||||||||||
Song (25), 2022 | Chronic ulcerative colitis | 5 | 4 | 3.88±0.92 | 9.55±1.27 | 5.66±2.25 | 10.95±2.3 | 39.74±11.6 | 13.91±2.31 | |||||||||||||||
Tamaki (26), 2016 | Oral palatal wound | 6 | 6 | 82.11±8.58 | 198.53±36.76 | 28.82±3.43 | 52.5±5.49 | 8.04±0.97 | 15.29±2.84 | 260.59±7.72 | 372.79±28.98 | |||||||||||||
94.36±17.16 | 123.78±31.86 | 37.06±5.15 | 44.95±4.46 | 11.67±1.28 | 13.14±1.37 | 225.39±5.77 | 258.36±9.64 | |||||||||||||||||
Tomofuji (27), 2014 | Aging periodontal tissues | 6 | 6 | 6.79±0.36 | 1.7±0.1 | 0.392±0.204 | 0.644±0.136 | |||||||||||||||||
0.18±0.04 | 0.2±0.05 | |||||||||||||||||||||||
0.17±0.03 | 0.25±0.04 | |||||||||||||||||||||||
0.19±0.04 | 0.27±0.05 | |||||||||||||||||||||||
Yoneda (28), 2017 | High-fat diet | 6 | 6 | 0.12±0.03 | 0.17±0.05 | |||||||||||||||||||
Yuan (29), 2018 | Traumatic brain injury | 6 | 6 | 22.87±2.73 | 9.24±3.08 |
Data are presented as No. and mean ± standard deviation. HRW, hydrogen rich water; PW, pure water; IL-1β, interleukin-1β; TNF-α, tumor necrosis factor alpha; GPx, glutathione peroxidase; 8-OHdG, 8-hydroxyguanosine; ROM, reactive oxygen metabolites; CFU, colony formation unit.