Table 3.
Classification of Chlamydial Infections
| Minor criteria |
Major criteria |
||||
| Cervical NAAT | Culture | Tubal NAAT | Tubal enlargementa | Histology | |
| PID | |||||
| S5 | + | + | + | + | + |
| Suggestive PID | |||||
| S7 | + | + | + | − | − |
| Lower tract infection | |||||
| S2 | + | − | − | − | + |
| S3 | + | − | − | − | − |
| S4 | + | − | − | + | − |
| S1 | + | + | − | − | − |
| S8 | + | + | − | − | − |
| S6 | + | − | − | − | − |
Controls (S9, S10) demonstrated no evidence of C. trachomatis infection.
Abbreviations: NAAT, nucleic acid amplification tests; PID, pelvic inflammatory disease.
a
Tubal enlargement was defined as ≥2 mm of change from baseline laparoscopic measurements.