Table 4.
Confirmed time of imported COVID-19 patients.
| Variable | Confirmed time (median, days) | IQIb | P |
|---|---|---|---|
| In total (670) | 4.0 | (2.0, 6.0) | |
| Gender | 0.776 | ||
| Male (269) | 4.0 | (2.0, 7.0) | |
| Female (209) | 4.0 | (2.0, 7.0) | |
| Agea | 0.281 | ||
| <30 (228) | 3.0 | (2.0, 6.0) | |
| ≥30 (230) | 4.0 | (2.0, 7.0) | |
| Occupation | 0.1 | ||
| International student (220) | 4.0 | (3.0, 6.0) | |
| Non-international students (450) | 4.0 | (2.0, 6.25) | |
| Symptoms | 0.005 | ||
| Fever (107) | 5.0 | (3.0, 8.0) | |
| Respiratory symptoms (65) | 3.0 | (2.0, 6.0) | |
| Gastrointestinal symptoms (4) | 4.0 | (3.25, 4.75) | |
| Other symptom (26) | 3.0 | (2.0, 5.5) | |
| Without symptom (39) | 4.0 | (2.0, 9.0) | |
| Symptoms unknown (429) | 4.0 | (3.0, 6.0) | |
| Nationality | 0.066 | ||
| Foreigner (115) | 4.0 | (3.0, 8.0) | |
| Chinese (555) | 4.0 | (2.0, 6.0) | |
| Region of cases exported | <0.001 | ||
| Asia (100) | 4.0 | (2.0, 7.0) | |
| Africa (24) | 8.0 | (4.25, 13.75) | |
| Europe (398) | 3.0 | (2.0, 5.0) | |
| South America (8) | 8.5 | (7.25, 9.75) | |
| North America (140) | 4.0 | (3.0, 7.0) | |
| Symptoms onset | <0.001 | ||
| Symptom onset is clear (234) | 4.0 | (3.0, 7.0) | |
| Symptoms during isolation (79) | 6.0 | (4.0, 8.0) | |
| Asymptomatic (39) | 4.0 | (2.0, 9.0) | |
| Unknown time of symptoms (318) | 3.0 | (2.0, 5.0) |
a
Age, median age of all cases.
b
IQI, interquartile intervals.