Table 2.
Baseline parameter values used during model calibrations.
| Parameter | Description | Value (units) | References |
|---|---|---|---|
 |
The mean number of susceptible individuals infected with chlamydia per year by an index case. | 0.8-10 (1/year) |
[27] |
| 1/σ | Average duration of natural infection. | 1.25* (years) | [27-30] |
| 1/σ' | Average duration of infection when treated. | 0.038* (years) | [5] |
| φ | Diagnostic test sensitivity. | 0.50-0.92 | [7] |
| φ' | Diagnostic test specificity. | 0.98-1.0 | [7] |
| 1/μ | Average duration of sexual activity. | 15† (years) | [17,18] |
| 1/δ | Average duration removed. | 0.5-10† (years) | [6,21] |
| nI | Number of infectives tested. | Calculated | |
| nS | Number of susceptibles tested. | Calculated |
*Fixed value based on references cited; † Assumption of parameter value based on references cited.