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Pooled relative frequency estimates of conjunctival, nasal and gingival bleeding features. Between–study heterogeneity (I2 statistic, 95 % confidence interval)
| Bleeding | Pooled relative frequency | 95 % confidence interval | I2 statistic |
|---|---|---|---|
| Conjunctival (all) | 33.6 % | 23.5–44.6 % | 94.6–97.2 % |
| Conjunctivitis only | 35.9 % | 20.9–52.5 % | 96.4–98.3 % |
| Conjunctival bleeding/injection | 31.1 % | 21.3–41.8 % | 42.1–90.3 % |
| Nasal | 8.7 % | 3.5–16.0 % | 87.8–95.1 % |
| Gingival | 21.1 % | 7.0–40.1 % | 98.4–99.0 % |
