Table 1.
Comparison of demographic, clinical and virological characteristics of PRI.DE study population and the randomly selected subgroup of the present HCoV-NL63 study.
| Category | PRI.DE study patients | HCoV-NL63-tested patients (%) | HCoV-NL63-positive patients (%) |
|---|---|---|---|
| Study region | |||
| Freiburg | 1350 | 657 (49%) | 24 (3.6%) |
| Dresden | 995 | 490 (49%) | 24 (4.9%) |
| Bochum | 467 | 208 (44%) | 6 (2.9%) |
| Hamburg | 865 | 401 (46%) | 15 (3.7%) |
| Age | |||
| 0 year | 1989 | 936 (47%) | 31 (3.3%) |
| 1 year | 1115 | 535 (48%) | 25 (4.7%) |
| 2 years | 569 | 284 (50%) | 13 (4.6%) |
| M/F | |||
| Male | 2133 | 1015 (48%) | 43 (4.2%) |
| Female | 1533 | 734 (48%) | 26 (3.5%) |
| Diagnosis | |||
| Croup | 290 | 134 (46%) | 18 (13.4%)* |
| Bronchitis | 851 | 423 (50%) | 18 (4.3%) |
| Bronchiolitis or wheezing bronchitis | 2054 | 965 (47%) | 31 (3.2%) |
| Pneumonia | 853 | 398 (47%) | 8 (2.0%) |
| Apnoea | 80 | 37 (46%) | 0 (0.0%) |
| Virus detected | |||
| RSV A/B | 1247 | 545 (43%) | 28 (5.1%) |
| PIV 1/2/3 | 377 | 194 (51%) | 6 (3.1%) |
| INF A/B | 141 | 63 (45%) | 0 (0.0%) |
*
p < 0.000 two-sided Fisher's exact test.