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Distribution of HIV cluster sizes by study site (NC, SF, NYC).
| Site | Cluster Size n = 1 | Cluster Size n = 2 | Cluster Size n = 3 | Cluster Size n = 4 | Cluster Size n ≥ 5 |
|---|---|---|---|---|---|
| North Carolina (NC) | 128 (9.7%) | 32 (2.4%) | 21 (1.6%) | 4 (0.3%) | 27 (2.0%) |
| San Francisco (SF) | 366 (27.6%) | 33 (2.5%) * | 6 (0.5%) | 1 (0.1%) * | 33 (2.5%) |
| New York City (NYC) | 593 (44.7%) | 41 (3.1%) * | 21 (1.6%) | 7 (0.7%) * | 11 (0.8%) |
* Counts include members of inter-site clusters.
