Table 2.
Results of women with complete diagnostic tests for gonorrhoea
| Patient infected status | Total | Sensitivity (%; 95% CI) | P* | ||
|---|---|---|---|---|---|
| Positive | Negative | ||||
| Whole cohort (n=3859) | |||||
| Gonococcal culture | |||||
| Positive | 78 | 0 | 78 | 81 (72 to 88) | <0.001 |
| Negative | 18 | 3763 | 3781 | ||
| Total | 96 | 3763 | 3859 | ||
| Clinician taken endocervical swabs and AC2 assay | |||||
| Positive | 92 | 0 | 92 | 96 (90 to 98) | 0.375 |
| Negative | 4 | 3763 | 3767 | ||
| Total | 96 | 3763 | 3859 | ||
| Self taken vulvovaginal swabs and AC2 assay | |||||
| Positive | 95 | 0 | 95 | 99 (94 to 100) | — |
| Negative | 1 | 3763 | 3764 | ||
| Total | 96 | 3763 | 3859 | ||
| Women with symptoms suggestive of bacterial STI (n=1625) | |||||
| Gonococcal culture | |||||
| Positive | 47 | 0 | 47 | 84 (72 to 91) | 0.004 |
| Negative | 9 | 1569 | 1578 | ||
| Total | 56 | 1569 | 1625 | ||
| Clinician taken endocervical swabs and AC2 assay | |||||
| Positive | 56 | 0 | 56 | 100 (94 to 100) | 1.0 |
| Negative | 0 | 1569 | 1569 | ||
| Total | 56 | 1569 | 1625 | ||
| Self taken vulvovaginal swabs and AC2 assay | |||||
| Positive | 56 | 0 | 56 | 100 (94 to 100) | — |
| Negative | 0 | 1569 | 1569 | ||
| Total | 56 | 1569 | 1625 | ||
| Women without symptoms suggestive of bacterial STI (n=2234) | |||||
| Gonococcal culture | |||||
| Positive | 31 | 0 | 31 | 78 (63 to 88) | 0.008 |
| Negative | 9 | 2194 | 2203 | ||
| Total | 40 | 2194 | 2234 | ||
| Clinician taken endocervical swabs and AC2 assay | |||||
| Positive | 36 | 0 | 36 | 90 (77 to 96) | 0.375 |
| Negative | 4 | 2194 | 2198 | ||
| Total | 40 | 2194 | 2234 | ||
| Self taken vulvovaginal swabs and AC2 assay | |||||
| Positive | 39 | 0 | 39 | 98 (87 to 100) | — |
| Negative | 1 | 2194 | 2195 | ||
| Total | 40 | 2194 | 2234 | ||
Data are no of women unless stated otherwise.
*Versus self taken vulvovaginal swabs and AC2 assay (McNemar’s test).