Table 1 Self-samples versus investigator-samples per sampling site
From: Self-sampling is appropriate for detection of Staphylococcus aureus: a validation study
| Nasal samples | Investigator-samples | Total | ||
|---|---|---|---|---|
| SApos | SAneg | |||
| Self-samples | SApos | 30 | 6 | 36 |
| SAneg | 1 | 68 | 69 | |
| Total | 31 | 74 | 105 | |
| Agreement | 93% | |||
| Kappa coefficient | 0.85 | (CI 0.74-0.96) | ||
| A. Nasal samples. SApos: S. aureus positive; SAneg: S. aureus negative; CI: confidence interval. | ||||
| Pharyngeal samples | Investigator-samples | Total | ||
| SApos | SAneg | |||
| Self-samples | SApos | 23 | 13 | 36 |
| SAneg | 5 | 64 | 69 | |
| Total | 28 | 77 | 105 | |
| Agreement | 83% | |||
| Kappa coefficient | 0.60 | (CI 0.43-0.76) | ||