Table 1 Heterogeneity of the meta-analysis on prevalence of gastrointestinal symptoms by symptoms category and virus (sub)-type
Meta-analysis | Influenza virus (sub)-type | Number of studies | I 2 Statistic[IC] | Q Statistic (p-value) |
|---|---|---|---|---|
Gastrointestinal symptoms | A(H3N2) | 4 | 96.9 % [94.4–98.3] | 96.2 (p < 0.0001) |
A(H1N1) | 2 | 75.4 % [0.0–94.4] | 4.1 (p = 0.0439) | |
A(H1N1)pdm09 | 3 | 97.5 % [95.1–98.7] | 78.8 (p < 0.0001) | |
B | 3 | 95.6 % [90.4–97.9] | 45.5 (p < 0.0001) | |
Vomiting | A(H3N2) | 5 | 88.3 % [75.3–94.5] | 34.2 (p < 0.0001) |
A(H1N1)pdm09 | 2 | 75.4 % [0.0–94.4] | 4.1 (p = 0.0439) | |
B | 4 | 0 % [0–81.6] | 2.5 (p = 0.4748) | |
Diarrhea | A(H3N2) | 4 | 86.9 % [68.4–94.6] | 22.9 (p < 0.0001) |
B | 4 | 0 % [0.00–76.6] | 1.7 (p = 0.6462) | |
Abdominal pain | A(H3N2) | 3 | 97.1 % [94.2–98.5] | 68.5 (p < 0.0001) |
B | 2 | 0 % [0.00–0.00] | 0.01 (p = 0.9005) |