Model parameter values
| Parameters | Value (95% CI) | Source |
| Probability of SSI before intervention (%) | 13.9 | Fenny et al5 |
| Probability of SSI during intervention (%) | 8.4 | Patient data* |
| Patient cost of SSI before intervention (US$) | 2208 (2087 to 2376) | Fenny et al5 |
| Patient cost of SSI during intervention (US$) | 1942 (1758 to 2227) | Patient data* |
| Hospital cost before intervention (US$) | 1391 | Fenny et al5 |
| Hospital cost during intervention (US$) | 1047 | Patient data* |
| Cost discount rate (%) | 2.5 | GSS17 |
*Estimate from patient data during-intervention study.
GSS, Ghana Statistical Service; SSI, surgical site infection.