TABLE 2.
PCR results in 30 patients with concomitant urine and blood sampling grouped by time elapsed since the onset of symptomsb
| Time elapsed since the onset of symptoms (days) |
Positive blood PCR | Positive urine PCR | Both positive | Positive blood PCR and negative urine PCR |
Negative blood PCR and positive urine PCR |
P valuea |
|---|---|---|---|---|---|---|
| 2–4 (n = 9) | 8/9 (88.9) | 7/9 (77.8) | 6 (66.7) | 2 (22.2) | 1 (11.1) | P = 0.56 |
| 5–7 (n = 16) | 9/16 (56.3) | 16/16 (100) | 9 (56.3) | 0 | 7 (43.8) | P = 0.0082 |
| >7 (n = 5) | 3/5 (60) | 5/5 (100) | 3 (60.0) | 0 | 2 (40) |
a
The sensitivity of blood and urine PCR tests with McNemar test. Bold indicates a significant difference.
b
Quantitative variables are expressed as median (25th percentile–75th percentile), and qualitative variables are expressed as number (%).