Comparison of patient population and of clinical outcomes between phase 1 and phase 2
| Phase 1 (n=836) | Phase 2 (n=1514) | ||
|---|---|---|---|
| No (%) | No (%) | p Value of test for difference* | |
| *χ2 test for association unless otherwise stated. | |||
| †t test. | |||
| ‡This did not include patients who tested positive for Chlamydia trachomatis. | |||
| §Partner notification was considered to be required for patients with chlamydia, gonorrhoea, syphilis, trichomonas, non-specific urethritis, or pelvic inflammatory disease, ascertained by notes review. Those who attended as sole contacts and had no further contacts are not included. | |||
| ¶Denominators derived from a subset of patients new to the clinic who completed a questionnaire. | |||
| Patient characteristics: | |||
| All patients attending for a new problem | 836 | 1514 | |
| Patients new to the clinic | 384 (45.9) | 700 (46.2) | 0.89 |
| Mean age (SD) | 30.9 (10.8) | 30.9 (10.8) | 0.87† |
| Male sex | 360 (43.1) | 717 (47.4) | 0.045 |
| Self reported ethnic group | |||
| White | 217 (27.2) | 317 (27.4) | |
| Afro-Caribbean | 325 (40.8) | 493 (42.5) | |
| African | 85 (10.7) | 98 (8.5) | |
| Asian | 48 (6.0) | 84 (7.3) | |
| Oriental | 2 (0.3) | 5 (0.4) | |
| Middle Eastern | 5 (0.6) | 11 (1.0) | |
| Other | 115 (14.4) | 151 (13.0) | |
| Missing data | 39 (4.7) | 355 (23.4) | 0.47 |
| Diagnosed with an STI this episode | |||
| All | 197 (23.6) | 397 (26.2) | 0.16 |
| Male | 114 (31.7) | 270 (37.7) | 0.05 |
| Female | 83 (17.4) | 127 (15.9) | 0.49 |
| Gonorrhoea | |||
| Male | 15 (4.2) | 51 (7.11) | 0.06 |
| Female | 15 (3.2) | 26 (3.3) | 0.91 |
| Chlamydia | |||
| Male | 22 (6.1) | 70 (9.8) | 0.04 |
| Female | 33 (6.9) | 43 (5.4) | 0.26 |
| Genital warts | |||
| Male | 17 (4.7) | 32 (4.5) | 0.85 |
| Female | 14 (2.9) | 26 (3.3) | 0.75 |
| Non-specific urethritis‡ | |||
| Male | 64 (17.8) | 135 (18.8) | 0.68 |
| Primary genital herpes | |||
| Male | 3 (0.8) | 11 (1.5) | 0.34 |
| Female | 7 (1.5) | 15 (1.9) | 0.59 |
| Trichomonas vaginalis | |||
| Female | 26 (5.5) | 26 (3.3) | 0.06 |
| Clinical outcomes: | |||
| (n=384) | (n=700) | ||
| HIV test taken (percentage, for new patients only) | 119 (31.0) | 261 (37.3) | 0.04 |
| (n=111) | (n=196) | ||
| Partner notification achieved (percentage of those required)§ | 49 (44.2) | 104 (53.1) | 0.13 |
| (n=60) | (n=93) | ||
| Median days since first ringing clinic for walk-in or slot on day only¶ | 1 | 1 | |
| (n=80) | (n=189) | ||
| Median duration of symptoms, patients with STI only¶ | 7 | 7 | |