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. 2023 Jul 17;10:1202696. doi: 10.3389/fcvm.2023.1202696

Table 3.

Clinical outcomes in 14 patients with long-COVID after 20 days of treatment with H1/H2 receptor blockers and in 13 untreated patients with long-COVID.

At baseline 20 days after
Treated patients (n = 14) Untreated patients (n = 13) p-Value Treated patients (n = 14) Untreated patients (n = 13) p-Value
Long-COVID (%) 100 100 1.0000 71 100 0.0977
Unchanged fatigue (%) 100 100 1.0000 21 85 0.0018
Unchanged brain fog (%) 93 85 0.5955 43 70 0.2518
Increased HR (%) 93 92 1.0000 29 85 0.0063
Abdominal disorders (%) 79 77 1.0000 14 62 0.0183

HR, heart rate.