| Swab Pairs . | Number . | Both Positive . | Both Negative . | Discordant, NP+ . | Discordant, NP− . | Overall Concordance . | Overall Discordance . | Kappa (SE) . | Sensitivity (95% CI) . |
|---|---|---|---|---|---|---|---|---|---|
| NP/NS | 634 | 188 (30%) | 287 (45%) | 124 (20%) | 35 (5%) | 475 (75%) | 159 (25%) | 0.50 (0.03) | 0.60 (0.55–0.66) |
| NP/OP | 560 | 211 (38%) | 190 (34%) | 129 (23%) | 30 (5%) | 401 (72%) | 159 (28%) | 0.45 (0.04) | 0.62 (0.57–0.67) |
| NP/RS | 92 | 10 (11%) | 40 (43%) | 41 (45%) | 1 (1%) | 50 (54%) | 42 (46%) | 0.16 (0.06) | 0.20 (0.10–0.33) |
| NP/OP + NS | 427 | 212 (50%) | 120 (28%) | 33 (8%) | 62 (14%) | 332 (78%) | 95 (22%) | 0.54 (0.04) | 0.87 (0.82–0.91) |
| Swab Pairs . | Number . | Both Positive . | Both Negative . | Discordant, NP+ . | Discordant, NP− . | Overall Concordance . | Overall Discordance . | Kappa (SE) . | Sensitivity (95% CI) . |
|---|---|---|---|---|---|---|---|---|---|
| NP/NS | 634 | 188 (30%) | 287 (45%) | 124 (20%) | 35 (5%) | 475 (75%) | 159 (25%) | 0.50 (0.03) | 0.60 (0.55–0.66) |
| NP/OP | 560 | 211 (38%) | 190 (34%) | 129 (23%) | 30 (5%) | 401 (72%) | 159 (28%) | 0.45 (0.04) | 0.62 (0.57–0.67) |
| NP/RS | 92 | 10 (11%) | 40 (43%) | 41 (45%) | 1 (1%) | 50 (54%) | 42 (46%) | 0.16 (0.06) | 0.20 (0.10–0.33) |
| NP/OP + NS | 427 | 212 (50%) | 120 (28%) | 33 (8%) | 62 (14%) | 332 (78%) | 95 (22%) | 0.54 (0.04) | 0.87 (0.82–0.91) |
Abbreviations: CI, confidence interval; NP, nasopharyngeal swab; NS, nasal swab; OP, oropharyngeal swab; RS, rectal swab; OP + NS, OP or NS positive; SE, standard error.
| Swab Pairs . | Number . | Both Positive . | Both Negative . | Discordant, NP+ . | Discordant, NP− . | Overall Concordance . | Overall Discordance . | Kappa (SE) . | Sensitivity (95% CI) . |
|---|---|---|---|---|---|---|---|---|---|
| NP/NS | 634 | 188 (30%) | 287 (45%) | 124 (20%) | 35 (5%) | 475 (75%) | 159 (25%) | 0.50 (0.03) | 0.60 (0.55–0.66) |
| NP/OP | 560 | 211 (38%) | 190 (34%) | 129 (23%) | 30 (5%) | 401 (72%) | 159 (28%) | 0.45 (0.04) | 0.62 (0.57–0.67) |
| NP/RS | 92 | 10 (11%) | 40 (43%) | 41 (45%) | 1 (1%) | 50 (54%) | 42 (46%) | 0.16 (0.06) | 0.20 (0.10–0.33) |
| NP/OP + NS | 427 | 212 (50%) | 120 (28%) | 33 (8%) | 62 (14%) | 332 (78%) | 95 (22%) | 0.54 (0.04) | 0.87 (0.82–0.91) |
| Swab Pairs . | Number . | Both Positive . | Both Negative . | Discordant, NP+ . | Discordant, NP− . | Overall Concordance . | Overall Discordance . | Kappa (SE) . | Sensitivity (95% CI) . |
|---|---|---|---|---|---|---|---|---|---|
| NP/NS | 634 | 188 (30%) | 287 (45%) | 124 (20%) | 35 (5%) | 475 (75%) | 159 (25%) | 0.50 (0.03) | 0.60 (0.55–0.66) |
| NP/OP | 560 | 211 (38%) | 190 (34%) | 129 (23%) | 30 (5%) | 401 (72%) | 159 (28%) | 0.45 (0.04) | 0.62 (0.57–0.67) |
| NP/RS | 92 | 10 (11%) | 40 (43%) | 41 (45%) | 1 (1%) | 50 (54%) | 42 (46%) | 0.16 (0.06) | 0.20 (0.10–0.33) |
| NP/OP + NS | 427 | 212 (50%) | 120 (28%) | 33 (8%) | 62 (14%) | 332 (78%) | 95 (22%) | 0.54 (0.04) | 0.87 (0.82–0.91) |
Abbreviations: CI, confidence interval; NP, nasopharyngeal swab; NS, nasal swab; OP, oropharyngeal swab; RS, rectal swab; OP + NS, OP or NS positive; SE, standard error.
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