Table 1.
Characteristics of the patients.
| n = 1330 | |
|---|---|
| Sex (n (%)) | |
| Boys | 760 (57.1) |
| Girls | 570 (42.9) |
| Age [years, median (25 percentile, 75 percentile)] | 3 (2, 7) |
| 3–6 years | 515 (38.7) |
| 7 years and older | 335 (25.2) |
| Hospitalization | |
| Hospitalized | 353 (26.5) |
| Not hospitalized (Outpatient visit) | 977 (73.5) |
| Drugs used [n, median (25 percentile, 75 percentile)] | 2 (1, 4) |
| Diseases (n (%)) | |
| Certain infectious and parasitic diseases | 394 (29.6) |
| Neoplasms | 19 (1.4) |
| Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism | 56 (4.2) |
| Endocrine, nutritional and metabolic diseases | 200 (15.0) |
| Mental and behavioural disorders | 19 (1.4) |
| Diseases of the nervous system | 60 (4.5) |
| Diseases of the eye and adnexa | 28 (2.1) |
| Diseases of the ear and mastoid process | 72 (5.4) |
| Diseases of the circulatory system | 26 (2.0) |
| Diseases of the respiratory system | 1,049 (78.9) |
| Diseases of the digestive system | 192 (14.4) |
| Diseases of the skin and subcutaneous tissue | 208 (15.6) |
| Diseases of the musculoskeletal system and connective tissue | 63 (4.7) |
| Diseases of the genitourinary system | 38 (2.9) |
| Pregnancy, childbirth and the puerperium | 1 (0.1) |
| Certain conditions originating in the perinatal period | 7 (0.5) |
| Congenital malformations, deformations and chromosomal abnormalities | 5 (0.4) |
| Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified | 247 (18.6) |
| Injury, poisoning and certain other consequences of external causes | 125 (9.4) |
Patients with two or more diseases were counted for each disease.