Table 1 Summary of the 14 large strain clusters and their geographical location.
| ST | Number | % MSM | % under 25 years | % black ethnicity | Number of days between first and last occurrence | Number of clinics reporting ST | Districts reported in | Test for geographical clustering | p Value | |
|---|---|---|---|---|---|---|---|---|---|---|
| Log likelihood ratio | ||||||||||
| MSM: | ||||||||||
| 40 | 61 | 88.5 | 16.4 | 4.9 | 176 | 12 | Bexley, Camden, Ealing, Greenwich, Hackney, Haringey, Lambeth, Lewisham, Kensington and Chelsea, Redbridge, Southwark, Westminster, Wandsworth. | 6.07 | 0.216 | |
| 64 | 46 | 78.2 | 17.4 | 15.2 | 179 | 11 | Barnet, Camden, Croydon, Greenwich, Hackney, Haringey, Kensington and Chelsea, Lambeth, Southwark. | 5.95 | 0.187 | |
| 147 | 45 | 86.7 | 15.6 | 20.0 | 167 | 10 | Ealing, Hackney, Haringey, Kensington and Chelsea, Lambeth, Lewisham, Southwark, Westminster, Waltham Forest. | 9.39 | 0.016 | |
| 210 | 72 | 88.9 | 13.9 | 5.6 | 176 | 11 | Barnet, Camden, Croydon, Ealing, Greenwich, Hackney, Haringey, Hillingdon, Kensington and Chelsea, Lambeth, Lewisham, Merton, Southwark, Waltham Forest. | 5.14 | 0.414 | |
| 225 | 112 | 92.0 | 24.1 | 6.3 | 175 | 12 | Barnet, Bexley, Camden, Ealing, Enfield, Greenwich, Hackney, Kensington and Chelsea, Lambeth, Lewisham, Southwark, Waltham Forest, Westminster. | 4.61 | 0.544 | |
| 359 | 24 | 79.2 | 33.3 | 4.2 | 144 | 8 | Camden, Hackney, Lambeth, | 8.98 | 0.023 | |
| 547 | 21 | 85.7 | 14.3 | 23.8 | 161 | 9 | Camden, Kensington and Chelsea, Lewisham, Westminster. | 4.37 | 0.499 | |
| Heterosexuals: | ||||||||||
| 2 | 90 | 6.7 | 57.8 | 56.7 | 182 | 13 | Bromley, Camden, Croydon, Ealing, Enfield, Greenwich, Hackney, Haringey, Kensington and Chelsea, Lambeth, Lewisham, Southwark. | 6.18 | 0.195 | |
| 6 | 23 | 0 | 52.2 | 73.9 | 136 | 7 | Greenwich, Lewisham, Merton, Southwark. | 6.35 | 0.136 | |
| 8 | 32 | 0 | 50.0 | 78.1 | 176 | 7 | Camden, Greenwich, Lambeth, Lewisham, Westminster, | 12.25 | 0.002 | |
| 19 | 30 | 0 | 85.0 | 65.0 | 178 | 9 | Haringey, Lewisham, Newham, Southwark. | 5.18 | 0.321 | |
| 25 | 33 | 3.0 | 63.6 | 78.8 | 180 | 8 | Greenwich, Hackney, Lambeth, Lewisham, Newham, Wandsworth, Westminster. | 7.65 | 0.051 | |
| 33 | 19 | 0 | 94.8 | 63.2 | 163 | 11 | Bexley, Hackney, Lewisham. | 5.27 | 0.275 | |
| 51 | 56 | 1.8 | 66.1 | 67.9 | 175 | 10 | Barnet, Camden, Croydon, Ealing, Greenwich,Hackney, Haringey, Kensington and Chelsea, Lambeth, Lewisham, Southwark, Westminster. | 6.45 | 0.166 | |
| 224 | 37 | 0 | 75.7 | 67.6 | 171 | 7 | Hackney, Lambeth, Lewisham, Kensington and Chelsea, Southwark, Waltham Forest. | 7.15 | 0.073 | |
| 356 | 33 | 0 | 63.6 | 60.6 | 179 | 11 | Camden, Croydon, Hackney, Lambeth, Lewisham, Southwark, Waltham Forest. | 7.07 | 0.085 | |
| 367 | 24 | 0 | 12.5 | 62.5 | 153 | 7 | Croydon, Kensington and Chelsea, Lambeth, Lewisham. | 10.02 | 0.005 | |
| 374 | 18 | 0 | 66.7 | 77.8 | 147 | 4 | Camden, Croydon, Hounslow. | 9.46 | 0.005 | |
| 387 | 37 | 0 | 73.0 | 70.3 | 163 | 6 | Barnet, Croydon, Hackney, Haringey, Kensington and Chelsea, Lambeth, Lewisham. | 9.14 | 0.016 | |
| 615 | 21 | 0 | 95.2 | 81.0 | 163 | 3 | Greenwich, Lewisham, Lambeth. | 17.24 | 0.001 | |
| 619 | 25 | 4.0 | 56.0 | 68.0 | 163 | 8 | Hackney, Haringey, Kensington and Chelsea, Merton, Waltham Forest. | 8.92 | 0.013 | |
χ2 statistic and p value refer to the SatScan test for spatial homogeneity of strains.