Sac-4 prevalence in various gonococcal serovars isolated from patients with and without coexisting chlamydial infection
| Sac-4+ prevalence | |||
|---|---|---|---|
| Serovar | Overall | Known chlamydia positive patients* | Known chlamydia negative patients* |
| *Chlamydia status was not known for 93 patients. | |||
| †18 isolates representing serovars 1A1, 1A4, 1A5, 1A6, 1A8, and 1A21. | |||
| ‡24 isolates representing serovars 1B1, 1B4, 1B7, 1B8, 1B13, 1B23, and 1B32. | |||
| 1A2 | 80% (20/25) | 69.2% (9/13) | 100% (5/5) |
| Other 1A† | 44.5% (8/18) | 40% (2/5) | 57% (4/7) |
| 1B2 | 34.9% (22/63) | 42.9% (3/7) | 32.1% (9/28) |
| 1B3 | 63.3% (19/30) | 60% (6/10) | 71.4% (10/14) |
| 1B6 | 42.6% (20/47) | 50% (1/2) | 40.9% (9/22) |
| 1B18 | 100% (16/16) | 100% (7/7) | 100% (8/8) |
| 1B31 | 91.7% (33/36) | 100% (8/8) | 93.8% (15/16) |
| Other 1B‡ | 45.8% (11/24) | 71.4% (5/7) | 28.6% (2/7) |
| Total | 57.5% (149/259) | 69.5% (41/59) | 57.9% (62/107) |