Proportion of CT-positive samples correlated to test frequency in persons using self-sampling or clinic-based testing
Number of samples | Self-sampling | Proportion of CT-positive samples | Clinic-based | Proportion of CT-positive samples | P value | Self-sampling and clinic-based | Proportion of CT-positive samples | P value | |||
Men | Individuals | Samples | Individuals | Samples | Individuals | Samples | |||||
1 | 7733 | 7733 | 7.1 | 29 009 | 29 009 | 8.5 | <0.001 | ||||
2 | 1635 | 3270 | 8.7 | 6276 | 12 552 | 11.5 | <0.001 | 1967 | 3934 | 11.7 | <0.001 |
>2 | 1120 | 4855 | 7.6 | 3771 | 15 183 | 11.1 | <0.001 | 3161 | 15 031 | 11.1 | <0.001 |
Women | |||||||||||
1 | 6019 | 6019 | 3.5 | 55 449 | 55 449 | 2.5 | <0.001 | ||||
2 | 1507 | 3014 | 4.1 | 17 293 | 34 586 | 4.2 | 0.62 | 3300 | 6600 | 5.7 | 0.0011 |
>2 | 1305 | 5953 | 4.0 | 14 666 | 62 485 | 6.8 | <0.001 | 9950 | 55 141 | 6.8 | <0.001 |
P values calculated with the proportion of CT-positive samples for self-collected samples as reference.
CT, Chlamydia trachomatis.