Table 1.
Groups of diseases (ICD-10) according to age groups.
| International Classification of Diseases (ICD-10) | Infants, n (%) | Preschool, n (%) | School, n (%) | Adolescents, n (%) | Total, n (%) |
|---|---|---|---|---|---|
| I. Infectious and parasitic diseases | 50 (19.1) | 67 (17.5) | 6 (6.4) | 10 (8.8) | 133 (15.6) |
| III. Diseases of the blood and disorders involving the immune mechanism. | 0 | 8 (2.1) | 2 (2.1) | 3 (2.6) | 13 (1.5) |
| IV. Endocrine, nutritional and metabolic diseases | 4 (1.5) | 8 (2.1) | 10 (10.6) | 15 (13.2) | 37 (4.3) |
| V. Mental and behavioural disorders | 0 | 1 (0.3) | 2 (2.1) | 8 (7.0) | 11 (1.3) |
| VI. Diseases of the nervous system | 13 (5) | 50 (13.1) | 10 (10.6) | 21 (18.4) | 94 (11) |
| VII. Diseases of the eye and adnexa | 2 (0.8) | 7 (1.8) | 4 (4.3) | 1 (0.9) | 14 (1.6) |
| VIII. Diseases of the ear and mastoid process | 1 (0.4) | 9 (2.4) | 0 | 0 | 10 (1.2) |
| IX. Diseases of the circulatory system | 2 (0.8) | 1 (0.3) | 0 | 6 (5.3) | 9 (1.1) |
| X. Diseases of the respiratory system | 109 (41.6) | 160 (41.9) | 29 (30.9) | 13 (11.4) | 311 (36.5) |
| XI. Diseases of the digestive system | 4 (1.5) | 8 (2.1) | 9 (9.6) | 9 (7.9) | 30 (3.5) |
| XII. Diseases of the skin and subcutaneous tissue | 6 (2.3) | 13 (3.4) | 9 (9.6) | 7 (6.1) | 35 (4.1) |
| XIII. Diseases of the musculoskeletal system | 1 (0.4) | 15 (3.9) | 5 (5.3) | 9 (7.9) | 30 (3.5) |
| XIV. Diseases of the genitourinary system | 54 (20.6) | 23 (6.0) | 4 (4.3) | 4 (3.5) | 85 (10.0) |
| XVII. Congenital malformations, deformations and chromosomal abnormalities | 10 (3.8) | 4 (1.0) | 3 (3.2) | 2 (1.8) | 17 (2) |
| XIX. Injury, poisoning and certain other consequences of external causes | 2 (0.8) | 5 (1.3) | 1 (1.1) | 5 (4.4) | 13 (1.5) |
| XX. External causes of morbidity and mortality | 2 (0.8) | 3 (0.8) | 0 | 1 (0.9) | 6 (0.7) |
| XXI. Factors influencing health status | 1 (0.4) | 0 | 0 | 0 | 1 (0.1) |
| Total | 262 | 382 | 94 | 114 | 852 |
χ2: 267.64 (p < 0.001).