Table 1.
Demographic and clinical characteristics of the 85 patients included in the study.
| Characteristics (unit) | Numerical data |
|---|---|
| Median age (years) | 2.8 |
| Interquartile range (years) | 1.5–5.7 |
| Categories by age | |
| Infants (<2 years old) – No. (%) | 30 (35.3) |
| Preschool children (2 – 5 years old) – No. (%) | 32 (37.6) |
| Children (5 – 12 years old) – No. (%) | 19 (22.3) |
| Teenagers (12 – 18 years old) – No. (%) | 4 (4.7) |
| Gender – No. females (%) | 39 (46) |
| Vaccinal status | |
| Up-to-date pneumococcal vaccine – No. (%) | 61 (71.7) |
| Up-to-date Haemophilus influenzae B vaccine – No. (%) | 68 (80) |
| Medical history | |
| Previous hospitalization – No. (%) | 17 (20) |
| Pulmonary disease – No. (%) | 26 (30.5) |
| - Bronchiolitis – No. (%) | 9 (10.5) |
| - Asthma – No. (%) | 9 (10.5) |
| - Pneumonia – No. (%) | 4 (4.7) |
| Parental smoking habits | |
| No smoking parent – No. (%) | 44 (51.7) |
| At least one smoking parent – No. (%) | 28(32.8) |
| Medication before emergency's consultation | |
| None – No. (%) | 16 (18.8) |
| Acetaminophen – No. (%) | 58 (68.2) |
| Non-steroidal anti-inflammatory drug – No. (%) | 15 (17.6) |
| Antimicrobial treatment– No. (%) | 18 (21.2) |
| Average duration of symptoms before emergency consultation (days) | 4 |
| Radiological localization of lesions | |
| Right upper lobe – No. (%) | 12 (14.1) |
| Right lower lobe – No. (%) | 21 (24.7) |
| Right middle lobe – No. (%) | 13 (15.3) |
| Left upper lobe – No. (%) | 8 (9.4) |
| Left lower lobe – No. (%) | 24 (28.2) |
| Interstitial syndromea – No. (%) | 13 (15.3) |
| At least one criterion of severe pneumonia at entry | 26 (30.6) |
| Hospitalization at entry – No. (%) | 36 (42.4) |
| Antimicrobial treatment | |
| Amoxicillin – No. (%) | 50 (58.8) |
| Co-amoxiclav – No. (%) | 18 (21.2) |
| Erythromycin – No. (%) | 8 (9.4) |
| Amoxicillin + erythromycin – No. (%) | 4 (4.7) |
| None – No. (%) | 4 (4.7) |
| Others – No. (%) | 1 (1.2) |
a
Interstitial syndrome was associated with lobar lesions in 6 cases and was the only radiological sign in 7 cases.