Table 1 RT–PCR positivity for HCoVs according to sample type and clinical presentation
HCoVs stool positive | HCoVs stool negative | HCoVs NP swab positive | HCoVs NP swab negative | Both stool and NP swab HCoVs positive | |
|---|---|---|---|---|---|
Patients | 6/260 (2.3%, 95% CI 0.9–5.0%) | 254/260 (97.7%, 95% CI 95-99%) | 22/256 (8.6%, 95% CI 5.5–12.7%) | 234/256 (91.4%, CI 87-95% ) | 5/256 (1.9%, 95% CI 0.6-4.5%) |
AGE only | 2/6, (33%, 95% CI 4.3–78%) | 98/254 (38.6%, 95% CI: 33-45% ) | 9/22 (41%, 95% CI 21–64%) | 87/234 (3.2%, CI 31-44%) | 1/5, (20%. 95% CI 0.5–72%) |
AGE + RTI | 4/6 (66.7%, 95% CI 22–96%) | 156/254 (61.4%, 95% CI: 55-67%) | 13/22 (59%, 95% CI 36–79%) | 147/234 (62.8%, 95 CI 56-69%) | 4/5, (80%, 95% CI 28–99%) |
Vomiting | 6/6 (100%, 95% CI 54-100%) | 201/254 (79.1%, 95% CI 74-84%) | 15/22 (68.2%, 95% CI 45-86%) | 188/234 (80.3%, 95% CI 75-85%) | 5/5 (100%, 95% CI 48-100% ) |
Median duration of illness (days) | 5.5 (range 4–16) | 6 (range 1–18) | 5 (range 1–16) | 6 (range 1–18) | 5 (range 4–16) |
Median duration of hospitalization (days) | 3 (range 2–6) | 2 (range 1–11) | 2.5 (range 1–6) | 2 (range 1–11) | 3 (range 2–6) |
Controls | 1/151 (0.7%, 95% CI 0–3.6%) | 150/151 (99.3%, 95% CI 96.4-100%) | 3/150 (1.9%, 95% CI 0.4–5.7%) | 147/150 (98%, 95% CI 94.3-99.6%) | 0 |