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. 2023 Jun 29;23:440. doi: 10.1186/s12879-023-08424-4

Table 3.

Outcomes of subgroup analyses of hydrogen/oxygen therapy in ordinary COVID-19 patients

Group Median length of hospitalization (95% CI) P value
Age 0.028
≥ 55 (n = 21) 14.0 (9.0, 17.0)
< 55 (n = 21) 10.0 (9.0, 13.0)
Gender 0.684
Male (n = 14) 13.0 (8.0, 16.0)
Female (n = 28) 10.0 (10.0, 13.0)
Comorbidities 0.002
With comorbidities (n = 18) 15.5 (10.0, 17.0)
Without comorbidities (n = 24) 10.0 (9.0, 12.0)
Duration between onset and hospitalization 0.140
0–14 days (n = 8) 12.5 (9.0, 27.0)
> 14 days (n = 34) 10.0 (9.0, 14.0)