Table 2.
Clinical characteristics of patients by type of infection.
| Symptom | Pertussis | Rhinovirus | Co-infections | P |
|---|---|---|---|---|
| Cough (n, %) | 22 (91.7) | 12 (85.7) | 20 (100) | 0.21 |
| Paroxysmal cough (n, %) | 21 (87.5) | 9 (64.3) | 17 (85) | 0.22 |
| Cough duration in days (mean , SD) | 10.6 (6.9) | 3.38 (4.23) | 11.6 (5.4) | < 0.001 |
| Apnoea (n, %) | 17 (70.8) | 6 (42.9) | 13 (65) | 0.22 |
| Cyanosis (n, %) | 18 (75) | 6 (42.9) | 13 (65) | 0.14 |
| Whooping (n, %) | 18 (75) | 4 (28.6) | 11 (55) | 0.02 |
| Post-tussive vomiting (n, %) | 14 (58.3) | 4 (28.6) | 12 (60) | 0.16 |
| Fever (n, %) | 4 (16.7) | 6 (42.9) | 3 (15) | 0.13 |
| White cell count > max for age | 12 (52.2) | 2 (18.2) | 15 (75) | 0.01 |
| Lymphocytes value > 50% | 19 (82.6) | 4 (36.4) | 19 (95) | 0.001 |
| White cell count > max for age and Lymphocytes value > 50% (%) | 9 (39.1) | 0 | 14(70) | < 0.001 |
| Conjunctival haemorrhage (n, %) | 4 (16.7) | 0 | 2 (10) | 0.36 |
| Petechiae (n, %) | 2 (8.3) | 0 | 3 (15.8) | 0.35 |
| Length of hospital stay (mean, SD) | 8.9 (5.4) | 11.9 (26.0) | 9.4 (5.5) | 0.07 |
| Antibiotic treatment before admission (n, %) | 7 (30.4) | 2 (16.7) | 12 (63.2) | 0.02 |
| Admission in PICU (n, %) | 2 (8.3) | 1 (7.7) | 0 | 0.44 |