From: Pandemic A/H1N1v influenza 2009 in hospitalized children: a multicenter Belgian survey
N = 215 | N = 201¹ | ||
---|---|---|---|
Presentation on admission | n (%) | Blood test values on admission | |
H1N1 suspicion | 121 (56) | Median Leukocyte count/mm3 | 9050 |
(IQR*) | (6070-12060) | ||
Symptoms/signs | N (%) of patients with leukopenia ≤5000/mm 3 | 27 (13) | |
Fever | 188 (88) | Median Lymphocyte count/mm3 | 2147 |
Cough | 129 (60) | (IQR) | (1249-3632) |
Rhinorrhea | 105 (49) | N (%) of patients with lymphopenia ≤1000/mm 3 | 33 (16) |
Loss of appetite | 58 (27) | ||
Vomiting | 54 (25) | Median PMN** count/mm3 | 4378 |
Asthenia | 49 (23) | (IQR) | (2667-8179) |
Diarrhea | 39 (18) | N (%) of patients with neutropenia ≤1500/mm 3 | 21 (10) |
Convulsion | 21 (10) | ||
Dehydration | 11 (5) | Median Platelet count/mm3 | 297500 |
Headache | 11 (5) | (IQR) | (211000-381500) |
Myalgia | 10 (5) | N (%) of patients with thrombocytopenia ≤150.10 3 /mm 3 | 12 (6) |
Rash | 7 (3) | ||
Abdominal pain | 5 (2) | Median CRP*** (mg/dL) | 1.55 |
Thoracic pain | 5 (2) | (IQR) | (< 0.5-5.15) |
range | < 0.5-44.7 | ||
N (%) of patients with CRP > 5 mg/dl | 51 (25) | ||
Reason for hospitalization | n (%) | Respiratory complications | n (%) |
Altered general status | 89 (41) | Hypoxemia2 | 58 (27) |
Respiratory distress | 78 (36) | median oxygen saturation 3 | 90% (85-92 IQR) |
IV treatment | 67 (31) | median duration of oxygen supplementation | 2.5 days |
Underlying disease | 53 (25) | Lobar pneumonia | 57 (27) |
O2 requirement | 52 (24) | Diffuse pneumonia | 18 (8) |
< 3 months old | 41 (19) | Pleural effusion | 13 (6) |
Seizure/malaise | 22 (10) | Apnea | 3 (1) |
Anorexia/vomiting | 14 (7) | Pneumothorax | 2 (1) |
« Sepsis-like » illness | 6 (3) | ||
Parental request/non compliance | 2 (1) |